{
 "layers": [
  {
   "layerId": 3100,
   "layerName": "Block",
   "layerType": "Feature Layer",
   "minScale": 126720,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "e5ba69cddf73fb53c84310a292c1533c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAS0lEQVQ4jWNhoDJgGTVw1MDBZKAPQ/F+TGnGg1sYehqQRXwYShwYGP7Xo6vcwtDrSIwLD2ARcyDKhTAbCAF0F+M0kFpg1MBRA8kAAHRADJOJGS59AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}