{
 "id": 4,
 "extent": {
  "xmin": -8073361.0117197316,
  "ymin": 5216974.5603353754,
  "xmax": -8072159.9622620232,
  "ymax": 5218661.6050808812,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}