{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Sandbags",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "500048a00660d1c38601bfc61d1f0c92",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAiUlEQVQ4jWNhoDJgGTWQYsAybAxsgNIHoJgiAxucw5XqQYx7V97X37/6vhHJApINdFDUFqx3ClMCc5zCGBj2rbpXv3flPQZchrIQMlBJR5CAEgoj5d6V9wz4wpGFgP4GkPdAYQdzKTQMyTYQBBruX31/4P7V9w5gHp4IIcXLBJPL8MspRIPBbyAAR/gptFBWgKAAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}