Layer Estimates:

Layer: HydroPolygon_FeaturesToJSON_polygons (ID:0)
Count: 9908
Extent:

XMin: 12673391.5593
YMin: 2530973.9782
XMax: 12738815.2544
YMax: 2579135.7691
Spatial Reference: 102100 (3857)

Layer: HydroPolygon_FeaturesToJSON_objects (ID:1)
Count: 2