{
 "layers": [
  {
   "layerId": 0,
   "layerName": "City Parks",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "431e65398332d93d72f8bb38a180b716",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAWUlEQVQ4je3Ouw3AIAwA0Su8BD2it/DUmSUfpUXUYQxSJJkAlMo3wNPJ0ulMTACOla0W2ggUE0GNLAC10M6da/RO7T2cmYMOOujgj2BMhFHoMwRAjaw2Sj7dUlYQQ0PIQuYAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}