{
 "id": 3,
 "extent": {
  "xmin": 366191.97259653523,
  "ymin": 778782.51029938308,
  "xmax": 366325.80488298659,
  "ymax": 779079.74829887983,
  "spatialReference": {
   "wkid": 27700,
   "latestWkid": 27700,
   "xyTolerance": 0.001,
   "zTolerance": 0.001,
   "mTolerance": 0.001,
   "falseX": -5220400,
   "falseY": -15524400,
   "xyUnits": 10000,
   "falseZ": -100000,
   "zUnits": 10000,
   "falseM": -100000,
   "mUnits": 10000
  }
 }
}