{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Aquifers",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "5a99feb7702f1837f1f84863f551e91e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASklEQVQ4jWPJz83bzvT/vwMDFcA/RsYDLEz//zvYXHvOQQ0Dj2hJOrBQwyBkMGrgqIGjBo4aOGog1MB/jIwHjmhJOlDDsH+MjAcALg4QoYC7ac8AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}