{
 "layers": [
  {
   "layerId": 0,
   "layerName": "TFL CCTV Cameras",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "2e63d875e9f99fb93a0bdc6d6ffe5c53",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASklEQVQ4jWNhoDJgGTVwiBl4mOG/AzZxWwbGAyQbeJjhvwMTA8N+HHKOuAwd4mE4wgy0ZWA8cJjhvyMuOZINJKSRLAPJAaMGUg4AuO0OEgARcmgAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}