User:Chqaz/sandbox3

{

 "type": "FeatureCollection",
 "group": "テストグループ",
 "features": [
   {
     "type": "Feature",
     "properties": {
           "title": "テスト",
           "description": "テスト用です。",
     },
     "geometry": {
       "type": "Point",
       "coordinates": [ 139.746094, 36.082329 ]
     }
   }
 ]

}