{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Pavement",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "ROAD",
     "url": "b1601e1d157b99f64e28edd0c08b6090",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANklEQVQ4jWP5v5KhioGKgIWahqEYmHUgkyKDpjlMRzWQWmDUwFEDRw0cNZDOBsLKM6oZSC0AAAJiBuDfWC2tAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "ROAD"
     ]
    },
    {
     "label": "AIRPORT",
     "url": "31058a685c44f9dfaf3ec6c01103f484",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4je3MQQ0AMAgDwKbBFg6QWwf4IvtOQJ89AVcAIKlhUpL67iwhyS1H9EuYMGHChF9Ich3ZzOwD7f4Lc+MAIoEAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "AIRPORT"
     ]
    },
    {
     "label": "DRIVEWAY",
     "url": "1bcaaa199202275af88de2442dff4744",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANUlEQVQ4jWP5/5+hioGKgIWBgYGhubmJKobV1tZBDKQmGDVw1MBRA0cNHDUQycDa2jqqGQgAp/wHQaWb5NYAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "DRIVEWAY"
     ]
    },
    {
     "label": "PARKING",
     "url": "b19aa428aca51ec3e75f3f2eb7e79507",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhYPhfxUBFwEJNw9AMZGyjzCiIT2npwlEDRw0cNXDUQPoYSJ2Sm+ouBAAq2gVDdanrnQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "PARKING"
     ]
    },
    {
     "label": "Path",
     "url": "3b0609bcc07920c9311de4f6917abbd2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANUlEQVQ4jWP5z8BQxUBFwMLAwMBw7uxZqhhmZGwMMZCaYNTAUQNHDRw1cNRAJAONjI2pZiAAWVQFYiwGycEAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Path"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "FEATURE"
    }
   ]
  }
 ]
}