Layer Estimates:

Layer: Country (ID:0)
Count: 249
Extent:

XMin: -20037507.0671618
YMin: -30240971.9583861
XMax: 20037507.0671618
YMax: 18398924.3246451
Spatial Reference: 102100 (3857)

Layer: Ocean (ID:1)
Count: 72
Extent:

XMin: -20037507.8427882
YMin: -30240971.4583861
XMax: 20037507.8427882
YMax: 30240971.4583861
Spatial Reference: 102100 (3857)