{
 "id": 4,
 "extent": {
  "xmin": 311174.40000000002,
  "ymin": 665468.64000000001,
  "xmax": 332616.94,
  "ymax": 678726.35199999996,
  "spatialReference": {
   "wkid": 27700,
   "latestWkid": 27700,
   "xyTolerance": 0.001,
   "zTolerance": 0.001,
   "mTolerance": 0.001,
   "falseX": -5220400,
   "falseY": -19684739.018000003,
   "xyUnits": 98405124.6068235636,
   "falseZ": -100000,
   "zUnits": 10000,
   "falseM": -100000,
   "mUnits": 10000
  }
 }
}