Layer Estimates:

Layer: boundarychanges (ID:0)
Count: 4
Extent:

XMin: 15146491.2396945
YMin: 4279646.63095106
XMax: 15159629.6495698
YMax: 4331976.16158874
Spatial Reference: 102100 (3857)

Layer: uncertainbelonging (ID:1)
Count: 2
Extent:

XMin: 15149018.3711373
YMin: 4310587.51210058
XMax: 15150825.9644497
YMax: 4311800.19105709
Spatial Reference: 102100 (3857)