{
 "layers": [
  {
   "layerId": 220,
   "layerName": "Hydrant3D",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "e770cab96756f3dbd09ca905cef48188",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAeklEQVQ4jWNhoDJgGTWQYsBCuRHD0sAGY2MuPja2/0XHj3+n2MAGbW0epl9fFb/+/Pmnwdj4YcPZs98oMvD79+/MnOzs3AwMf399+/KFmWIXdt6797FBReXaN2bm/103b36m2EAQaLhz5xPDyEo2pAAWklSPGsiABQAA7jUmCdOH3XEAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}