{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Stations",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "27c90bfab5262a76648cd3998e7ffb34",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAU0lEQVQ4je3RsQkAIAxE0S+4rwtYuoATxy6ohYqxEXJVrnmEJPI40UEHNdLNwQpKJWtJFFmhO3DAACp5if7/lJAo8w3BcENF+27Z8Ai5AY/joD0NoM4QRWHhu7wAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}