{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Helipad 150m Zone",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "e3f0f9cc5ca45c6b2123cc9d017e0882",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4je3MMREAMQhFwQeDMERdH1ExgDKS6mYigPKvgI1vn6RJJjgVNHmMNfFZQ0xEL4UKFSpU+IdOWQ9tTl09kgr29OFCcgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}