{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Footprint 2015",
   "layerType": "Feature Layer",
   "minScale": 10000,
   "maxScale": 0,
   "legend": [
    {
     "label": "changed; existing; new; unknown",
     "url": "bde2058331d6f88e432b8dd7ff8783a4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4je3QIRIAIBBCUQPn47BcUMcxbYYmPxBfACT3CoY7JCOYpAcmQ0E7+MSsoB8CxqjgNx9KiokHH9MHUOxfA8YAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "changed",
      "existing",
      "new",
      "unknown"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "STATUS"
    }
   ]
  }
 ]
}