{"layers": [
 {
  "layerType": "Feature Layer",
  "layerId": 0,
  "maxScale": 0,
  "legend": [{
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNhoDJgGTWQYsAyAg38X3LfgaoGMvxn2E9dA6kMWBgYGRypaiBjj+IBqhrIQGXAMmogxWDwGwgALlsGUUW3x6IAAAAASUVORK5CYII=",
   "groupId": "0",
   "width": 20,
   "label": "",
   "contentType": "image/png",
   "url": "14ceaafacfe4015f5431ef29dcae5fba",
   "height": 20
  }],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "Priority 1",
  "minScale": 0
 },
 {
  "layerType": "Feature Layer",
  "layerId": 1,
  "maxScale": 0,
  "legend": [{
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4je3M0Q0AEBBEwUe2LQmVk+gLRdgPiZsCRpgpwmv6MJzsag0zdGuImRY0a1hIwxpipgivvR8eUsUFUdeYbGUAAAAASUVORK5CYII=",
   "groupId": "0",
   "width": 20,
   "label": "",
   "contentType": "image/png",
   "url": "20e13f8c7f52dc8a86e26b37b8813aca",
   "height": 20
  }],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "Priority 2",
  "minScale": 0
 },
 {
  "layerType": "Feature Layer",
  "layerId": 2,
  "maxScale": 0,
  "legend": [{
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4je3MwQ0AEBREwSfZwrgrRxnKcaczirAHiT8FjDBThNf0Ydio2RpumNYQMyUo1rAzljXETBFeez88rEgFUV6uD0QAAAAASUVORK5CYII=",
   "groupId": "0",
   "width": 20,
   "label": "",
   "contentType": "image/png",
   "url": "98329828329c6f44f8a74951528f51e2",
   "height": 20
  }],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "Priority 3",
  "minScale": 0
 }
]}