{
 "layers": [
  {
   "layerId": 0,
   "layerName": "survey",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "015d5270ad56c9a9f8e01d22d096847e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAiElEQVQ4jWNhoDJgGTWQYsAybAxsgNIHoJgiAxsUPYzqQYwPd57Xv7/zvBHJApINdBBUkaxXdDeC8NwZGO7vPFd/f8c5BlyGshAyUEBFkoASCiPlw53nDPjCkYWA/gaQ90BhB3MpNAzJNhAEGt7feX7g/Z3nDmAengghxcsEk8vwyylEg8FvIAAdPynDIhgjpQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}