{
 "id": 57,
 "extent": {
  "xmin": -18555016.924082831,
  "ymin": 3011907.1304694256,
  "xmax": -8569442.6401140504,
  "ymax": 10175162.259321954,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}