{
 "id": 29,
 "extent": {
  "xmin": -8399228.4019014612,
  "ymin": 4988125.2810562253,
  "xmax": -8172940.4389732238,
  "ymax": 5240403.1921623871,
  "spatialReference": {
   "wkid": 102100,
   "latestWkid": 3857
  }
 }
}