{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Highways",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Interstate",
     "url": "0ebfa392339b09832ac246fb40e382d3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4jWNhoDJgGTVw1MDBYuDUDJcGJob/9pQY9I+B8WD2jD0NtHFh9ow9DVQ1kJpg1MBRA8kAAHnCCZD62aP+AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Interstate"
     ]
    },
    {
     "label": "Major Collector",
     "url": "8024d7b157468cf5cdfdd2c95d61d83e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4jWNhoDJgGTVw1MDBYmDM67CG/4z/7SkxiPE/48EloqsaaOPCJaKrGqhqIDXBqIGjBpIBAADGCjRf2Bi2AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Major Collector"
     ]
    },
    {
     "label": "Minor Arterial",
     "url": "f3b05d63fe2e670eb54a1958e4a1eadb",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4jWNhoDJgGTVw1MDBYmDW868NjIxM9pQY9P//v4PTJLkbaOPCaZLcDVQ1kJpg1MBRA8kAANSnCYvtgilAAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Minor Arterial"
     ]
    },
    {
     "label": "Minor Collector",
     "url": "3469eedfaafd8bed5144a44ababcffdb",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOElEQVQ4jWNhoDJgGTVw1MDBYuD7oI0NDP8Z7SkyifH/QcF1/g20caHgOv8GqhpITTBq4KiBZAAAtlwI35Tr4xAAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Minor Collector"
     ]
    },
    {
     "label": "Other Principal Arterial",
     "url": "8dbceb8cfdff9131c62b7f6d1311373e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4jWNhoDJgGTVw1MDBYmBW0fKG/4wM9pQYxPif4eC0vsgG2rhwWl9kA1UNpCYYNXDUQDIAANMrCU6cLldgAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Other Principal Arterial"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "FCNAME"
    }
   ]
  }
 ]
}