{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Iron Ore Mines",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "05c61ffed61aad97670f89edf3b99c21",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAhklEQVQ4jWNhoDJgGTWQYsAybAxsgNIHoJgiAxtUQlzqQYx31+7Vv7t2rxHJApINdBDSUqpXDnEBc5QZGBjurtlTf2fNHgZchrIQYSABJRRGyrtr9xjwhSMLAf0NIO+Bwg7mUmgYkm0gCDS8u3bvwLtr9xzAPDwRQoqXCSaX4ZdTiAaD30AAwuQpPeB3Lp4AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}