{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Libraries",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "9c3d8b988b1aa36ed86ea9ab64b21af4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAjElEQVQ4jWNhoDJgGTWQYsAybAwsh9JHGRgYjlBqYLmVl3ADiPHkzrffj259b2VgYOgk10AbOTXOalNXQQ4QB0Sf3v2+4di2twy4DGUhYKC1jAoXK2FPUBApIG9Dw5IsAztB3nty51s1zKXQMDxCiQs7H936fvTRre/WMD41vHyEUHIZfjmFaDD4DQQAIqMr0HiMtKQAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}