{
 "id": 7,
 "extent": {
  "xmin": 15975102.7881,
  "ymin": -5440358.5979000004,
  "xmax": 16554837.9977,
  "ymax": -4718235.7927000001,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}