{
 "layers": [
  {
   "layerId": 15,
   "layerName": "cluster",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "d96bb7cc9f123454b701a52d2fbf2cc9",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAFNJREFUOI1jYaAyYBk1cNRAOPiPxGak1MD/7gsRnJ3xDP/xGUrIQBTDGBgYGNwX4jd06EcK4854jDBkYKAgDOGGIvPxKSbWy3gNIcdAosGogZQDAMrmEGoBD4ifAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}