{
 "layers": [
  {
   "layerId": 0,
   "layerName": "FAA Approach Surface",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "aa8307a2be0cf47724df6eef68b808ad",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASUlEQVQ4je3MQRWAMAxEwb+P+KiTCsBOdSCHCogTlCwXDgjIMSNgQge3xKSATYbEPB+uinAPVlREfx122GGHHX6hTe7Bqshs8gUfbA4SBhVRQAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}