{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Historic Buildings",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "65745f3b6f912ee0acddb85974b42e4e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAh0lEQVQ4jWNhoDJgGTWQYsAybAxsgNIHoJgiAxucxF3qQYz7X+7V3/96rxHJApINdFDkVqp3EnOG8MScGfa92lu/7+UeBlyGshA0kEeJgBIKI+X+l3sM+MKRhYD+BpD3QGEHcyk0DMk2EAQa7n+9d+D+13sOYB6eCCHFywSTy/DLKUSDwW8gAE26KdG+UbM6AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}