{
 "layers": [
  {
   "layerId": 1,
   "layerName": "Truck Routes",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Class I, State",
     "url": "589b2549ec661e62cc5723c01e018609",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWNhoDJgGTVwJIRhhgmDA1UN/PefYT9VDWSgMmAZ/AYyMTI4UtXAGWcYDlDVQAYqA5ZRAykGVA9DAFfgBlHu7qPrAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Class I,State"
     ]
    },
    {
     "label": "Class II,State",
     "url": "fba07ef12755eaad0a4c07884d0faaf0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWNhoDJgGTVwJIThcobnDlQ1kInh/36qGshAZcAy+A38x8DoSFUDIxkkD1DVQAYqA5ZRAykGVA9DAOJcBlEM48rUAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Class II,State"
     ]
    },
    {
     "label": "Class II, Danville",
     "url": "850c4f205e5d2ed18b9ed56ea1e289ab",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4jWNhoDJgGTVwRIShz3IH6hrIyLifugZSGbAMAQP//3ekroFbIg9Q10AqA5ZRAykGVA9DAHdABlHrYI5mAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Class II,Danville"
     ]
    },
    {
     "label": "Prohibited, Danville",
     "url": "14b7a9fae61a9dbe8952ba48b0b4a655",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4jWNhoDJgGTVwRIRhiYYDdQ38/28/dQ2kMmAZAgYyMjlS18CeGweoayCVAcuogRQDqochAFPgBlHyeUQKAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Prohibited,Danville"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Truck Route Class"
    }
   ]
  }
 ]
}