test.geojson

   {
       "type": "FeatureCollection",
       "features": [{
           "type": "Feature",
           "geometry": {
               "type": "Point",
               "coordinates": [102.0, 0.5]
           },
           "properties": {
               "link": "url"
           }
       }, { "type": "Feature",
           "geometry": {
               "type": "Point",
               "coordinates": [102.03, 0.5]
           },
           "properties": {
               "link": "url"
           }
       }
]
}