{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Water Quality Monitoring Stations",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "18da3965c7928561733fa1fc957052f2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAvElEQVQ4jWNhoDJgGTVwaIahLRSDwCMGBoaHDAwMh8k1MEatkCFRyJzBCcT58ZLh/vMtDHtf7maQZ2BgWEKqgbbirgz2MMNAgEOcQVExmSGFX4dB6VY/dpey4DFQXtKHwRmbBNSSvaQaKAdyEQM9YvnHS4b70AgiycDD704y7EMOQxgARQw0tkkz8FY/w3xxV4Z7oLCEeR9kycvdDAdxJR0WBvxgycvdDA+hBsjBLKIkHRI0AB2MFl8MFAMAvpAztLo8qDcAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}