{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Floor Boundary",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "2b7823b8f6f7b7bc29685c0252131f82",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANUlEQVQ4je3MsREAMAgCQL1jVMZy16S2hk5+gMfMvDIh2SgzJJRBL7aEOhiOJaEOB0OS7Rw/WycFflsb+0sAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}