{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Structures",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "059356a82e389b05e3d61542c337e18c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAiUlEQVQ4jWNhoDJgGTWQYsAybAxsgNIHoJgiAxsUHVzrQYz3D+7Vf3hwtxHJApINdBBQUK5XsHcFcxTsGRgeHNxdf//AbgZchrIQMlBQQYmAEgoj5f2Dewz4wpGFgP4GkPdAYQdzKTQMyTYQBBo+PLh74MODuw5gHp4IIcXLBJPL8MspRIPBbyAAIgUpu2vK9f0AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}