{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Building",
   "layerType": "Feature Layer",
   "minScale": 72223,
   "maxScale": 0,
   "legend": [
    {
     "label": "Building",
     "url": "8c52b5d58e619db2735537845870bceb",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQklEQVQ4je3MMRGAAAwAsfJXYXWGEMzUBzLY/1gYENCxEZB87quEigFop1BHxDkRCpET0d+GG2644YZfiLYwkqH9Ask4EDxYu/49AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}