{
 "layers": [
  {
   "layerId": 3,
   "layerName": "STREETS",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Interstate",
     "url": "bc037b745cf5fb1fd08b784bd6624f28",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASElEQVQ4jWNhoDJgGTWQYsAyQg38f7nBgRqGMeo2HGCBGPZ/PzUM/H+5wZH6XmbUbTgAMplqXmaAMhhGVrKhJmChqmkMI9JAAGbSEhGJ4QL8AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Interstate"
     ]
    },
    {
     "label": "Streets",
     "url": "9fe37c026b7bbed80941bb52b10a73d2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAKklEQVQ4je3MIQEAAAzDsIP613w83MFFQLgyFmr4Ii30KBxhoUfhCAtPexArAFF5acCuAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "1",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Type"
    },
    {
     "id": "1",
     "heading": ""
    }
   ]
  }
 ]
}