{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Building Footprints",
   "layerType": "Feature Layer",
   "minScale": 75000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "6f5ceda868cd328f7b6dc52a504b93e8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATUlEQVQ4je3UIRVAMQxD0YJoqJ7POzczEGnTExX/FA63bH0CLggIImK7+2cNSTpIjOTqAEkarDkMWA514m7AemgwrgZ8YkNJJ5+2o7R+m2cR7279swIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}