{
 "layers": [
  {
   "layerId": 999,
   "layerName": "Reference",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "58edaee477ef5612e48ed63a19891025",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA1ElEQVQ4ja2UsQ2DMBBFz9IVdN7AAyDhSdxGFMzADMkyFCjtTeIiA3gDJnD0LZEYlDTmnoTkA/wEd/LneZ5zSol2QgiEOsb4uee9J+cciQj9w1pb9jI2T9N0eDgMQ7nOnN87IyLEVf3MOb+oAWPMjYj6bdu+QsjGcXy0CNd1hfSONePfNWE0UouAoaCRWtKUEjEaqUWM8TBlFVhdGBSHAspJ+XUqWmE0UlVIyrCmzHuvK3TO6Qqlji9EEFKjBWNMv6/rL+z3CLoCd11Hy7KU4mr8o4dv2NJNeLzzGZ8AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}