{
 "layers": [
  {
   "layerId": 0,
   "layerName": "LNG_223",
   "layerType": "Feature Layer",
   "minScale": 150000000,
   "maxScale": 5000,
   "legend": [
    {
     "label": "",
     "url": "cab51af8aa29a9397d5e2fb577fa77af",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAU0lEQVQ4jWNhoDJgGTUQK/jD8P8/RDEjI1UMJAUQNBDmOhibkCvp60Jk1yGL4XPlMEk2VDOQhYGRET0cB1csQxQgXDk4cwpEEWGXkWQgKWDwGwgAoX4VV0jdqvMAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}