{
 "layers": [
  {
   "layerId": 0,
   "layerName": "City Limit Line",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "f7276ac5216c42f00f8666e4333c5646",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQklEQVQ4jWNhoDJgGTWQYsBCuRGoYCQb+FBO+z8+hfKPrjIiq8HGZ6CpC+WhNhByJT7+EIsUagEWqpkEBaMGMlAMAG7IEdaUNkiWAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "3"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}