{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Streetlight",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "1f62208d1b790cbbfedc1ce798b4ed94",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAqklEQVQ4jWNhoDJgGTWQYsAyPAxsbm4uB9F///492tDQcIQiA5ubm8vttS80gNgPXov/bm5ubq2tre0ky8CGhgYbebHn1TZaVzhAfBuGKxxHruk0NDc3M+AylAWfgczMzNYKoi9ZCfmCokgBeRsUlmQZWFtb2wny3oPX4tUwlz58Jdna0FB7hGwX1tbWdjY0NBx9+ErSGsan2MsNkKSCN7kMs5xCChj8BgIA6yo9kfC2xpEAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}