Layer Estimates:

Layer: Raw Geometry (ID:0)
Count: 453
Extent:

XMin: 19221944.2645
YMin: -5402867.7624
XMax: 19571850.6846
YMax: -4915611.5006
Spatial Reference: 102100 (3857)

Layer: Relationship Buffers (ID:1)
Count: 89
Extent:

XMin: 19222078.7509
YMin: -5402437.8289
XMax: 19571799.3146
YMax: -4915593.9988
Spatial Reference: 102100 (3857)

Layer: Tracks Sample (ID:2)
Count: 451
Extent:

XMin: 19221947.0576
YMin: -5402867.7624
XMax: 19571850.6846
YMax: -4915613.982
Spatial Reference: 102100 (3857)