{
 "id": 18,
 "extent": {
  "xmin": 16234873.0879,
  "ymin": -5375859.3640000001,
  "xmax": 16510795.555400001,
  "ymax": -4777000.9671,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}