{
 "layers": [
  {
   "layerId": 0,
   "layerName": "State System",
   "layerType": "Feature Layer",
   "minScale": 9244648,
   "maxScale": 0,
   "legend": [
    {
     "label": "Interstate",
     "url": "fcd704025d3d71cfa3c3142ef0c9f45c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASUlEQVQ4jWNhoDJgGTWQYsAyQg20WM7gQA3DTkQyHGABG8bIsJ8aBlosZ3CkvpdPRDIcAJlMNS8zQBkMIyvZUBOwUNU0hhFpIADnZg0TRRUQbgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "1"
     ]
    },
    {
     "label": "U.S. Highway",
     "url": "3ba0b336b3a564f402f397e6c31b556d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAR0lEQVQ4je3SsQkAIAxE0V/cEm6jk5ttMoYiuIHXxV+lenAQYU4ffE5FwYTuwBqEDrZgOsCE4Z/cII5sm8w9qPU2zmTVKAluAvoKESf7BUYAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "2"
     ]
    },
    {
     "label": "State Highway",
     "url": "44ff64a15dfd24b32c7115f7ed8f1846",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWNhoDJgGTWQYsAycg10oJJ5B1ighu2nkoGONPHyAZDJ1PQyA9TQEZZsqAZYqGcUw0g1EAB7BgUSKum0lgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "3"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Custom"
    }
   ]
  }
 ]
}