{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Contour",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Index",
     "url": "b72283015e96431388067bd5a9fd4e24",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMElEQVQ4je3OwQkAAAjDwBTcf2XdQSr4aAY4UpirgAG/gA3twAS6ORTICjoLGHDRAP6aAlMCeMVxAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Index"
     ]
    },
    {
     "label": "Intermediate",
     "url": "d9573eab8b13c64a6eafcf1a6bdbf686",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgGTVw1MDBYuCZM2f+U8MwExMTRtq40MTEhJGqBlITjBo4aiAZAABySQTuNoWLVwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Intermediate"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}