{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Housing Estates",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "85c3135bb3e6779f16388bd753b20fb1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASklEQVQ4jWP5v5xBioGZQZKBGuAvw3MWqGHGVDGQmeEsCwOVAcuogRQDFsqNQAWjBlIOWKhgBgoYNXBkhOFfhuegkpYqpv1leA4AgTsJyBTBqr4AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}