{
 "layers": [
  {
   "layerId": 1,
   "layerName": "Ground Floor",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "e8a350ae816ca97fc6d040a19ca6aa49",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUUlEQVQ4jWNhoDJgGTVw1EAyDSy5/9+BGob1KDIeYCm5/9/hPwPDfmoYWHL/vyP1vdyjyHig5P5/R2oY1qPIeIAFxqCGgQwMQybZjBo4uAwEAGjQEhH6lk47AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}