{
 "layers": [
  {
   "layerId": 0,
   "layerName": "LA boundary outline",
   "layerType": "Feature Layer",
   "minScale": 10000000,
   "maxScale": 40000,
   "legend": [
    {
     "label": "",
     "url": "bdba961e5de6338ada68531381765795",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4je3VIRIAMAgDwXYm773H8GE6rUMTV04gV8QgIJcx3RMR24EB+UBnGrCd+kRtwH4yGKUBv9kQ4xs4eKYI4yS+tIEAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Cadmium risk area",
   "layerType": "Feature Layer",
   "minScale": 10000000,
   "maxScale": 40000,
   "legend": [
    {
     "label": "",
     "url": "d4508612a8e47ccd98f18baf23c57448",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWOZt+r6fwYqgaQwTUYWBioDllEDKQYslBuBCkYNpBywUMEMFDBqIOWAZQQamBSmyUhNEwFafwUzTw1yEgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}