{
 "id": 21,
 "extent": {
  "xmin": -9424390.6041999999,
  "ymin": 4695827.1684999987,
  "xmax": -8989225.8605000004,
  "ymax": 5142971.6921000034,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}