{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Brownfield Register",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "b153312ef28f2530454275d340588669",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA0UlEQVQ4jcWUQQ7CIBBFf5NxyTV04QVc4i16j16gx/EWsjRx7TlcsNQEQ5R2ShhCoYlvNYX2Z+aVQMMeDhtCoVA7wL5hpBcVQYd9Xk846DmwgxkfOIe9ywmuv6HDCsYjnH2xDjlrwzy/jnUyMIZ3LNUBCk6QgX8k1YtALrjG3/SjUg5z4zQ57FnYXxwqPvIWDq00ck0Yh6TOSryJDj3xRok38Rxyah0Gsg5rxqY4sHVsSnXTwjfQQd+fMMMBV/8oXabZS3ZxwbIFjz/x/pCW1pwPJamW///5H7AAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}