{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Buildings",
   "layerType": "Feature Layer",
   "minScale": 100000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "1fb32a793ec87d64322f3f85297e398d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUUlEQVQ4jWO5dfedz9//jOoMVAACfGzXWECGHTv7gpcaBloZS2ixMFAZsIwaSDFgodwIVDBqIOWAhQpmoIBRA0dEGArwsV0DlbTUMIyZ8f9NAHWvD0DZg7v3AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}