{
 "layers": [
  {
   "layerId": 7,
   "layerName": "City Boundary",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 10001,
   "legend": [
    {
     "label": "",
     "url": "439ada36bf3a45fd88b06dbf6d8337b0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAZklEQVQ4je3UsQ3AIAxE0UNisMtkHi23mdPEEk4oAqHkt+CHhAQVgGNhdSWWQJIgOYVIgqQ3aGYAoEGPgSYwDiulHCOau5+B9sDfbXCDG5wBeb/NkdgF47d4bvhSM5vBdmG25Xd4AXulH0m6jpeIAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}