Layer Estimates:

Layer: Devices (ID:0)
Count: 6
Extent:

XMin: -13037303.4246
YMin: 3872603.9856
XMax: -13011480.2527
YMax: 3897826.4992
Spatial Reference: 102100 (3857)

Layer: Device_Data_Demo (ID:1)
Count: 79763