{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Ground Control Network",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "0248baa149a31dc743bc349c154af780",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABG0lEQVQ4jd3UvyvEcRzH8Qdd3aAoSclmM6hzLDcokzKJsNwiZbNIEZPkBnfiMiglJoOsYlX8B2YRowxiPobv9+rbtzvu3A3yqk993j96vj+9+nw+CU1W4t8Ae7CAzWYB85jFKe4bBWaQRQsKmGoE2Ir9EAaTGMX1b4HzGI7l9jCEUr3ADuQq5FPhoKN6gRvoxhMO8IJxTGMLZ3ivFdiPRTxgEG9h/hgr2MY61moFFsNaIQIrawerWMIhHn8CTmAs3D9XqJcENqTCgTPfAZPYjcQZXMR6ugSWEPg5gptqwGX0xeJbXIVxp+C1JCM9RcHV+owDewVGx098iTu8Io32WE8acziJA/NoU1kDVfJl5XCOjygwG66G9Pc/2C+Npy+aFh0ZaQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}