{
 "layers": [
  {
   "layerId": 0,
   "layerName": "SYNC_TEST",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "20b1bc6671d91dcf4c598826dd964d18",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAjUlEQVQ4jWNhoDJgGTWQYsAybAwsh9JHGRgYjlBqYLmCkWsDiPHx+b3f75/fbWVgYOgk10AbQUnlajldBw4wT9eB49HlAw0Pzu1mwGUoCwEDrfkllVgJ+oGSSAF5GxqWZBnYCfLex+f3qmEuhYbhEUpc2Pn++d2j75/ftYbxqeHlI4SSy/DLKUSDwW8gAMAQK7Ku2dchAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}