{
 "id": 12,
 "extent": {
  "xmin": 300013.58000000007,
  "ymin": 645009.16000000015,
  "xmax": 349999.34999999963,
  "ymax": 689991.25,
  "spatialReference": {
   "wkid": 27700,
   "latestWkid": 27700,
   "xyTolerance": 0.001,
   "zTolerance": 2,
   "mTolerance": 0.001,
   "falseX": -5220400,
   "falseY": -15524400,
   "xyUnits": 450481592.767096639,
   "falseZ": 0,
   "zUnits": 1,
   "falseM": -100000,
   "mUnits": 10000
  }
 }
}