{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Empty Table",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "a4ffa4802cfe30b868abec3b61f00b42",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAiUlEQVQ4jWNhoDJgGTWQYsAybAxsgNIHoJgiAxsCpSTqQYzrn7/U3/j8pRHJApINdNDg5akPkJIAcwIYGBg2PHtRv/7ZCwZchrIQMlCTl4eAEgoj5frnLwz4wpGFgP4GkPdAYQdzKTQMyTYQBBpufP5y4MbnLw5gHp4IIcXLBJPL8MspRIPBbyAA5LwqFuy5pbUAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}