{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Street Network",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Highway",
     "url": "546b2f6200eeb2f92c6d78d4324141c7",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAR0lEQVQ4jWNhoDJgGTWQYsAyAg38/5/BgYGBoZ6BAUxTAg4wMDA0slDJMAaYGTQJw0YomzpeZmQEM0B4pCQbhlEDKQVUD0MAOuYJEi1O56sAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "20"
     ]
    },
    {
     "label": "Road",
     "url": "44ff64a15dfd24b32c7115f7ed8f1846",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWNhoDJgGTWQYsAycg10oJJ5B1ighu2nkoGONPHyAZDJ1PQyA9TQEZZsqAZYqGcUw0g1EAB7BgUSKum0lgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "10",
      "0"
     ]
    },
    {
     "label": "Private/Strata",
     "url": "43760b83fc8ab17a241b3d2edf37330f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARElEQVQ4jWNhoDJgGTWQYsBCuRGoYKQaOHv27AZGRkZ7Sgz6////wdTU1AbauDA1NbWBqgZSE7BQ1TSGUQOpAQZ/pAAA/XIKAJaPetwAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "30",
      "40"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "RDCLASS"
    }
   ]
  }
 ]
}