Layer Estimates:

Layer: Tier1 (ID:0)
Count: 51
Extent:

XMin: -13055561.6027341
YMin: 3912948.79465616
XMax: -13048267.2409261
YMax: 3924598.10972329
Spatial Reference: 102100 (3857)

Layer: Tier2 (ID:1)
Count: 90
Extent:

XMin: -13056247.3058618
YMin: 3912815.17597415
XMax: -13047199.1631399
YMax: 3926490.86015651
Spatial Reference: 102100 (3857)

Layer: Tier 1 (ID:2)
Count: 51

Layer: Tier 2 (ID:3)
Count: 90