{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Contour Labels",
   "layerType": "Feature Layer",
   "minScale": 5000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "71e9ad13fb884805cff838c05c9f1e71",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAG0lEQVQ4jWNhoDJgGTVw1MBRA0cNHDVwpBoIABArAFHmDwDcAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "10' Contours",
   "layerType": "Feature Layer",
   "minScale": 24000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "22dec4cc7df55c6bbcff0e63848ab999",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWNhoDJgGTVw1EAKDFzOwOBAiUGRDAwHUAxkZGDYT4mBECNo6eX/DAyOVDUQFgZUM5BaYNTAkWAgACKxBWveBCYEAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "2' Contours",
   "layerType": "Feature Layer",
   "minScale": 10000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "5cd50a8206a8b20a827757f7e0343efd",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOElEQVQ4jWNhoDJgGTVw1MDBYuD/lQwNDEwM9hSZ9I/hIGM4QwNtXMgYztBAVQOpCUYNHDWQDAAAA9EGKTLPhs8AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}