{"layers": [
 {
  "layerType": "Feature Layer",
  "layerId": 1,
  "maxScale": 0,
  "legend": [{
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAM0lEQVQ4jWNhWPUsjYGKgIWahoHAqIGUAxYqmIECRg2kHLBQwQwUMGog5YCFCmYwjHADAXP5Akc7b+RmAAAAAElFTkSuQmCC",
   "groupId": "0",
   "width": 20,
   "label": "",
   "contentType": "image/png",
   "url": "20ef0f72f7eafed6299fd9a33a92313f",
   "height": 20
  }],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "520",
  "minScale": 0
 },
 {
  "layerType": "Feature Layer",
  "layerId": 2,
  "maxScale": 0,
  "legend": [{
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAM0lEQVQ4jWM5Xf01jYGKgIWahoHAqIGUAxYqmIECRg2kHLBQwQwUMGog5YCFCmYwjHADAa23AvLSlUWgAAAAAElFTkSuQmCC",
   "groupId": "0",
   "width": 20,
   "label": "",
   "contentType": "image/png",
   "url": "f6302dece0240049e169fb8cdf09d1aa",
   "height": 20
  }],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "530",
  "minScale": 0
 },
 {
  "layerType": "Feature Layer",
  "layerId": 3,
  "maxScale": 0,
  "legend": [{
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAM0lEQVQ4jWNZ+rU6jYGKgIWahoHAqIGUAxYqmIECRg2kHLBQwQwUMGog5YCFCmYwjHADAb3QAsxMqqeNAAAAAElFTkSuQmCC",
   "groupId": "0",
   "width": 20,
   "label": "",
   "contentType": "image/png",
   "url": "63850626775362b3c0d769805ad21c09",
   "height": 20
  }],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "540",
  "minScale": 0
 },
 {
  "layerType": "Feature Layer",
  "layerId": 4,
  "maxScale": 0,
  "legend": [{
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAM0lEQVQ4jWP5urg6jYGKgIWahoHAqIGUAxYqmIECRg2kHLBQwQwUMGog5YCFCmYwjHADAbF8AsqqJhrCAAAAAElFTkSuQmCC",
   "groupId": "0",
   "width": 20,
   "label": "",
   "contentType": "image/png",
   "url": "2270a0d3be1588da66eaa13c082c7f41",
   "height": 20
  }],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "550",
  "minScale": 0
 }
]}