map_post_list.jsonに以下を追加できました。
{"Marker":[{"lat":"130.837171","lng":"33.900818","content":"\u5b87\u5b99\u304c\u30c6\u30fc\u30de\u306e\u904a\u5712\u5730\u300c\u30b9\u30da\u30fc\u30b9\u30ef\u30fc\u30eb\u30c9\u300d\u3092\u904a\u3073\u3064\u304f\u305d\u3046\uff01\uff08\u305d\u306e1 \u30a2\u30c8\u30e9\u30af\u30b7\u30e7\u30f3\u7de8\uff09","url":"http:\/\/369days.net\/archives\/2501"},{"lat":"33.273419","lng":"131.481321","content":"\u5225\u5e9c\u3067\u30ef\u30af\u30ef\u30af\uff01\u300c\u6e6f\uff5e\u5712\u5730\u300d\u306b\u53c2\u52a0\u3057\u305f\u3074\u3087\u3093\uff01\uff5e\u305d\u306e\u2462\u30b0\u30e9\u30f3\u30c9\u30d5\u30a3\u30ca\u30fc\u30ec\uff06\u5225\u5e9c\u3088\u3044\u3068\u3053\u7de8\uff5e","url":"http:\/\/369days.net\/archives\/2326"},{"lat":"33.274853","lng":"131.481373","content":"\u5225\u5e9c\u3067\u30ef\u30af\u30ef\u30af\uff01\u300c\u6e6f\uff5e\u5712\u5730\u300d\u306b\u53c2\u52a0\u3057\u305f\u3074\u3087\u3093\uff01\uff5e\u305d\u306e\u2461\u30e1\u30ea\u30fc\u30b4\u30fc\u30e9\u30a6\u30f3\u30c9\u7de8\uff5e","url":"http:\/\/369days.net\/archives\/2285"},{"lat":"33.273956","lng":"131.481952","content":"\u5225\u5e9c\u3067\u30ef\u30af\u30ef\u30af\uff01\u300c\u6e6f\uff5e\u5712\u5730\u300d\u306b\u53c2\u52a0\u3057\u305f\u3074\u3087\u3093\uff01\uff5e\u305d\u306e\u2460\u30b8\u30a7\u30c3\u30c8\u30b3\u30fc\u30b9\u30bf\u30fc\u7de8\uff5e","url":"http:\/\/369days.net\/archives\/2246"},{"lat":"37.5088052","lng":"127.097808","content":"\u904a\u5712\u5730\u306f\u4e16\u754c\u5171\u901a\u8a00\u8a9e\uff01\uff5e\u305d\u306e\uff13\u3000\u30ed\u30c3\u30c6\u30ef\u30fc\u30eb\u30c9\u5c4b\u5916\u30be\u30fc\u30f3\uff06\u591c\u666f\u7de8\uff5e","url":"http:\/\/369days.net\/archives\/2135"},{"lat":"35.6263415","lng":"139.7823038","content":"\u30cd\u30aa\u30b8\u30aa\u30ef\u30fc\u30eb\u30c9\u306b\u9022\u3044\u305f\u3044\uff01\uff5e\u6771\u4eac\u30ec\u30b8\u30e3\u30fc\u30e9\u30f3\u30c9 \u30d1\u30ec\u30c3\u30c8\u30bf\u30a6\u30f3\u5e97\u306e\u30ad\u30bb\u30ad\uff5e","url":"http:\/\/369days.net\/archives\/2148"},{"lat":"37.5114432","lng":"127.096059","content":"\u904a\u5712\u5730\u306f\u4e16\u754c\u5171\u901a\u8a00\u8a9e\uff01\uff5e\u305d\u306e\uff12\u3000\u30ed\u30c3\u30c6\u30ef\u30fc\u30eb\u30c9\u5c4b\u5185\u30be\u30fc\u30f3\u7de8\uff5e","url":"http:\/\/369days.net\/archives\/2090"},{"lat":"37.595105","lng":"127.105348","content":"\u904a\u5712\u5730\u306f\u4e16\u754c\u5171\u901a\u8a00\u8a9e\uff01\uff5e\u305d\u306e\uff11\u3000\u97d3\u56fd\u306e\u5408\u6cd5\u5ec3\u589f\u904a\u5712\u5730\u30e8\u30f3\u30de\u30e9\u30f3\u30c9\uff5e","url":"http:\/\/369days.net\/archives\/2035"},{"lat":"34.282822","lng":"131.332219","content":"\u79cb\u5409\u53f0\u30b5\u30d5\u30a1\u30ea\u30e9\u30f3\u30c9\u306b\u306f\u30b5\u30d5\u30a1\u30ea\u611b\u3042\u3075\u308c\u308b\u697d\u3057\u3044\u904a\u5712\u5730\u304c\u3042\u3063\u305f\uff01","url":"http:\/\/369days.net\/archives\/1975"},{"lat":"35.534134","lng":"136.795627","content":"\u5c90\u961c\u30ec\u30c8\u30ed\u30df\u30e5\u30fc\u30b8\u30a2\u30e0\u3078\u306e\u5927\u5192\u967a\uff5e\u81ea\u8ca9\u6a5f\u30cf\u30f3\u30d0\u30fc\u30ac\u30fc\u3092\u98df\u3079\u3088\u3046\uff01\uff5e","url":"http:\/\/369days.net\/archives\/1863"},{"lat":"35.384988","lng":"139.493989","content":"\u5922\u306f\u7d42\u308f\u3089\u306a\u3044\uff01\u6a2a\u6d5c\u30c9\u30ea\u30fc\u30e0\u30e9\u30f3\u30c9\u8de1\u5730\u7269\u8a9e","url":"http:\/\/369days.net\/archives\/1784"},{"lat":"34.821409","lng":"134.673502","content":"\u59eb\u8def\u30fb\u624b\u67c4\u5c71\u306e\u56de\u8ee2\u5c55\u671b\u53f0\u3067\u7a7a\u306e\u65c5\u3092\u697d\u3057\u3093\u3067\u304d\u307e\u3057\u305f\uff01","url":"http:\/\/369days.net\/archives\/1712"},{"lat":"35.711702","lng":"139.797774","content":"\u541b\u3082\u51fa\u308c\u308b\uff01\u6d45\u8349\u30b5\u30f3\u30d0\u30ab\u30fc\u30cb\u30d0\u30eb\uff01\uff5e\u30c0\u30f3\u30b9\u7d4c\u9a13\u307b\u307c\u30bc\u30ed\u306e\u79c1\u304c\u5f53\u65e5\u306e\u307f\u306e\u7df4\u7fd2\u3067\u6d45\u8349\u30b5\u30f3\u30d0\u30ab\u30fc\u30cb\u30d0\u30eb\u306b\u51fa\u305f\u8a71\uff5e","url":"http:\/\/369days.net\/archives\/1660"},{"lat":"35.990004","lng":"139.083373","content":"\u3048\u3059\u3048\u308b\uff01\uff5e\u81e8\u6642SL\u5217\u8eca\u30a4\u30d9\u30f3\u30c8\u3067\u79e9\u7236\u3078GO\u266a\uff5eSL\u30d1\u30ec\u30aa\u30a8\u30af\u30b9\u30d7\u30ec\u30b9\u7de8","url":"http:\/\/369days.net\/archives\/1613"},{"lat":"35.728885","lng":"139.710318","content":"\u3048\u3059\u3048\u308b\uff01\uff5e\u81e8\u6642SL\u5217\u8eca\u30a4\u30d9\u30f3\u30c8\u3067\u79e9\u7236\u3078GO\u266a\uff5e\u3000\u30ec\u30c3\u30c9\u30a2\u30ed\u30fc\u30af\u30e9\u30b7\u30c3\u30af\u7de8","url":"http:\/\/369days.net\/archives\/1537"},{"lat":"35.666652","lng":"139.756308","content":"HENCHIKURIN is COOOOOL!!\u72c2\u6c17\u306e\u5c45\u9152\u5c4b\u300c\u304b\u304c\u3084\u300d\u306b\u7a81\u6483\uff01","url":"http:\/\/369days.net\/archives\/1371"},{"lat":"39.386002","lng":"141.117045","content":"\u662d\u548c\u30e2\u30c0\u30f3\u306a\u5927\u98df\u5802\u306e\u30bd\u30d5\u30c8\u30af\u30ea\u30fc\u30e0\u304c\u540d\u7269\uff01\u5ca9\u624b\u30fb\u82b1\u5dfb\u306e\u30de\u30eb\u30ab\u30f3\u767e\u8ca8\u5e97\u306b\u884c\u3063\u3066\u304d\u307e\u3057\u305f","url":"http:\/\/369days.net\/archives\/1235"},{"lat":"35.919699","lng":"139.909507","content":"\u8b0e\u306b\u5305\u307e\u308c\u305f\u30c9\u30e0\u30c9\u30e0\uff65\uff65\uff65\u300c\u30c9\u30e0\u30c9\u30e0\u30cf\u30f3\u30d0\u30fc\u30ac\u30fc\u91ce\u7530\u904b\u6cb3\u30d7\u30e9\u30b6\u9928\u5e97\u300d\u3078\u884c\u3053\u3046\uff01","url":"http:\/\/369days.net\/archives\/1275"},{"lat":"38.632307","lng":"140.966217","content":"\u5316\u5973\u6cbc\u30ec\u30b8\u30e3\u30fc\u30e9\u30f3\u30c9\u5ec3\u589f\u958b\u653e\u30c4\u30a2\u30fc\uff01\u305d\u306e\u2461\u904a\u5712\u5730\u7de8","url":"http:\/\/369days.net\/archives\/1171"},{"lat":"38.630064","lng":"140.967896","content":"\u5316\u5973\u6cbc\u30ec\u30b8\u30e3\u30fc\u30e9\u30f3\u30c9\u5ec3\u589f\u958b\u653e\u30c4\u30a2\u30fc\uff01\u305d\u306e\u2460\u30d1\u30fc\u30af\u30db\u30c6\u30eb\u7de8","url":"http:\/\/369days.net\/archives\/1103"},{"lat":"39.912496","lng":"116.208123","content":"\u7fbd\u3070\u305f\u3044\u30c1\u30e3\u30a4\u30ca\u3001\u65e5\u672c\u306e\u30ae\u30e3\u30eb\u30b2\u30fc\uff01\uff1f\u5317\u4eac\u30fb\u77f3\u666f\u5c71\u904a\u697d\u5712\u304c\u3059\u3054\u3044\u3053\u3068\u306b\u306a\u3063\u3066\u305f\uff65\uff65\uff65","url":"http:\/\/369days.net\/archives\/1018"},{"lat":"35.919093","lng":"138.436126","content":"\u3075\u3041\u3093\u3057\uff5e\u306a\u5922\u3092\u898b\u3088\u3046\uff01\u300c\u9ad8\u539f\u306e\u539f\u5bbf\u300d\u6e05\u91cc\u306e\u4eca\uff65\uff65\uff65","url":"http:\/\/369days.net\/archives\/953"},{"lat":"32.62798","lng":"129.738611","content":"\u4e16\u754c\u907a\u7523\u767b\u9332\u6c7a\u5b9a\uff01\u9577\u5d0e\u770c\u306e\u8ecd\u8266\u5cf6(\u7aef\u5cf6)\u306b\u884c\u3063\u3066\u304d\u305f\u30be\uff01\u3010\u4e5d\u5dde\u5c0f\u30cd\u30bf\u4ed8\u304d\u3011","url":"http:\/\/369days.net\/archives\/861"},{"lat":"25.040552","lng":"121.565616","content":"\u304a\u5e97\u3082\u304a\u83d3\u5b50\u3082\u30ad\u30e3\u30e9\u3065\u304f\u3057\uff01\u53f0\u6e7e\u30fb\u53f0\u5317\u306e\u30a2\u30e9\u30f3\u30b8\u30a2\u30ed\u30f3\u30be\u30ab\u30d5\u30a7\u306b\u884c\u3063\u3066\u304d\u305f","url":"http:\/\/369days.net\/archives\/813"},{"lat":"35.201798","lng":"136.866624","content":"\u30ab\u30ec\u30fc\u306f\u3084\u3063\u3071\u308a\u30b3\u30b3\uff01\u611b\u77e5\u770c\u6e05\u9808\u5e02\u306e\u30b3\u30b3\u58f1\u756a\u5c4b\u8a18\u5ff5\u9928\u3067\u4eba\u6c17\u306e\u79d8\u5bc6\u3092\u63a2\u3063\u3066\u6765\u305f\uff01","url":"http:\/\/369days.net\/archives\/745"},{"lat":"36.92934","lng":"139.957976","content":"\u4e09\u89d2\u5c4b\u6839\u306e\u5185\u90e8\u306b\u306f\u7791\u60f3\u5ba4\u304c\u3042\u3063\u305f\uff01\u90a3\u9808\u9ad8\u539f \u30d4\u30e9\u30df\u30c3\u30c9\u6e29\u6cc9","url":"http:\/\/369days.net\/archives\/581"},{"lat":"35.643602","lng":"140.124801","content":"\u5343\u8449\u306b\u306f\u3082\u3046\uff11\u3064\u5922\u306e\u56fd\u304c\u3042\u3063\u305f\uff01\u5343\u8449\u5e02\u52d5\u7269\u516c\u5712 \u904a\u5712\u5730\u300c\u30c9\u30ea\u30fc\u30e0\u30ef\u30fc\u30eb\u30c9\u300d","url":"http:\/\/369days.net\/archives\/644"},{"lat":"35.250039","lng":"136.885465","content":"\u3055\u3041\u3001\u3042\u306e\u6642\u4ee3\u306b\u9084\u308d\u3046\uff01\u662d\u548c\u65e5\u5e38\u535a\u7269\u9928","url":"http:\/\/369days.net\/archives\/605"},{"lat":"35.627984","lng":"139.735114","content":"[\u9589\u5712]\u54c1\u5ddd\u99c5\u304b\u3089\u5f92\u6b692\u5206\u306e\u30db\u30c6\u30eb\u306b\u4e00\u56de\u8ee2\u3059\u308b\u30b8\u30a7\u30c3\u30c8\u30b3\u30fc\u30b9\u30bf\u30fc\u304c!?\u30a8\u30d7\u30bd\u30f3\u54c1\u5ddd\u30a2\u30af\u30a2\u30b9\u30bf\u30b8\u30a2\u30e0","url":"http:\/\/369days.net\/archives\/565"},{"lat":"35.182724","lng":"140.007275","content":"\u5de8\u5927\u8ff7\u8def\u3068\u30b8\u30e3\u30f3\u30b0\u30eb\uff01\u5357\u623f\u7dcf\u30fb\u30ed\u30de\u30f3\u306e\u68ee\u5171\u548c\u56fd\uff06\u30db\u30c6\u30eb\u30b8\u30e3\u30f3\u30b0\u30eb\u30d1\u30ec\u30b9","url":"http:\/\/369days.net\/archives\/521"},{"lat":"35.486992","lng":"136.226763","content":"\u611b\u77e5\u4e07\u535a\u306e\u30a8\u30b8\u30d7\u30c8\u9928\u304c\u6ecb\u8cc0\u3067\u8607\u3063\u3066\u3044\u305f\uff01\u5317\u8fd1\u6c5f\u30ea\u30be\u30fc\u30c8 \u30a8\u30b8\u30d7\u30c8\u9928","url":"http:\/\/369days.net\/archives\/413"},{"lat":"36.826278","lng":"136.996075","content":"\u5922\u898b\u308b\u30aa\u30e4\u30b8\u3055\u3093\u306f\u30ab\u30c3\u30b3\u30a4\u30a4\uff01\u6c37\u898b\u662d\u548c\u9928","url":"http:\/\/369days.net\/archives\/409"},{"lat":"35.953714","lng":"138.461504","content":"\u91ce\u8fba\u5c71SL\u30e9\u30f3\u30c9\u30fbJR\u9244\u9053\u6700\u9ad8\u5730\u70b9\u306b\u884c\u3063\u3066\u304d\u307e\u3057\u305f\uff01\uff5e\u590f\u306e\u91ce\u8fba\u5c71\u6563\u7b56\uff5e","url":"http:\/\/369days.net\/archives\/361"},{"lat":"36.342598","lng":"138.352258","content":"\u30ec\u30c3\u30c4\u30b4\u30fc\u2606\u9577\u91ce\u73cd\u30b9\u30dd\u30c4\u30a2\u30fc\uff08\u2460\u8702\u5929\u56fd\uff09","url":"http:\/\/369days.net\/archives\/274"},{"lat":"35.418712","lng":"136.758228","content":"\u5c90\u961c\u306e\u8857\u4e2d\u3067\u307f\u3064\u3051\u305f\u30ec\u30c8\u30ed \u2015\u67f3\u30f6\u702c\u5546\u5e97\u8857\u3068\u4e38\u7a93\u96fb\u8eca\u2015","url":"http:\/\/369days.net\/archives\/190"},{"lat":"35.487414","lng":"137.410738","content":"\u5922\u306e\u3064\u308a\u6a4b\u306e\u5411\u3053\u3046\u306b\u30fb\u30fb\u30fb\u6075\u90a3\u5ce1\u30ef\u30f3\u30c0\u30fc\u30e9\u30f3\u30c9\uff08\u2461\u5929\u754c\u82d1\u7de8\uff09","url":"http:\/\/369days.net\/archives\/118"},{"lat":"35.41073","lng":"136.754104","content":"\u5c90\u961c\u99c5\u524d\u306e\u7a74\u5834\u306a\u7121\u6599\u5c55\u671b\u53f0\u300c\u5c90\u961c\u30b7\u30c6\u30a3\u30fb\u30bf\u30ef\u30fc43\u300d\u3078\u884c\u3063\u3066\u304d\u305f\uff01","url":"http:\/\/369days.net\/archives\/140"},{"lat":"35.488077","lng":"137.405968","content":"\u30ef\u30f3\u30c0\u30fc\u306b\u751f\u307e\u308c\u5909\u308f\u3063\u305f\uff01\u6075\u90a3\u5ce1\u30ef\u30f3\u30c0\u30fc\u30e9\u30f3\u30c9\uff08\u2460\u904a\u5712\u5730\u7de8\uff09","url":"http:\/\/369days.net\/archives\/77"},{"lat":"21.282273","lng":"-157.837486","content":"\u30ec\u30f3\u30bf\u30ab\u30fc\u3067\u30aa\u30a2\u30d5\u5cf6\u3092\u5de1\u308b\uff01\uff08\u30cf\u30ef\u30a4\u65c5\u884c\u8a18 \u30ec\u30f3\u30bf\u30ab\u30fc\u7de8\uff09","url":"http:\/\/369days.net\/archives\/43"},{"lat":"21.494659","lng":"-158.029084","content":"\u30ef\u30a4\u30cf\u30fc\u3061\u3087\u3063\u3068\u3044\u3044\u8a71\uff08\u30c1\u30ad\u30f3\u7de8\uff09","url":"http:\/\/369days.net\/archives\/8"}]}