{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Historic Buildings",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "bf4e8fe221b2e684a04c11099fa276e8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAoElEQVQ4je3SsQkCQRBG4S9YzATBJuzARFNBBMVEY3NbMLIFMwOrEAvQIsQ2zMTAZA8OYZe74xLBB5vsv/MYZjZomfAX/t4M+9hjig5u2OHRRNiNgkHpboUJhilpyAi3X7KCXux6XVc4zmSjVBAyRa8mWcgUnbFIZJcmwhOWccNl7nHTtYVvzLHBLH6bKw54NhEW0mM8lQhVH/6FSVqf4QdYMhSjS4zrnwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}