{
 "layers": [
  {
   "layerId": 0,
   "layerName": "GCPs",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "fd337308ba1a7773b1bbb90145c68ce8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAjUlEQVQ4je3QzQ2GIAwG4PfgRHry9LmMA+gAFhlAB2AZeuoJZvLwoTExIv4ceRNCmjQPpQU+TpHBDG5R4bbhvALV0LcEACyeWNy4e+A22Pzqioau/VcdoGdDejI4QxPA8qLlHngIiwcie7wClZ4MWDytk4YdPgYBQLE4y+KatY41p37ZxqZ6AiYng++zAJnSJ7/8L5NjAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}