{
 "id": 7,
 "extent": {
  "xmin": -8504868.444563482,
  "ymin": 5613337.4262435585,
  "xmax": -8372115.4840924377,
  "ymax": 5712729.403257628,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}