{
 "id": 21,
 "extent": {
  "xmin": 3.3516999999999939,
  "ymin": 50.810400001999994,
  "xmax": 7.2629999999999768,
  "ymax": 53.546199999999999,
  "spatialReference": {
   "wkid": 4326,
   "latestWkid": 4326
  }
 }
}