{
 "id": 4,
 "extent": {
  "xmin": -8963411.6242999993,
  "ymin": 4825307.6783999996,
  "xmax": -8314399.0000999998,
  "ymax": 5201410.5950999996,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}