I need to get the last modified timestamp property of a sheet using Smartsheet API 2.0 (preferably Python SDK).
Ref:

* <https://smartsheet-platform.github.io/api-docs/>
* <https://github.com/smartsheet-platform/smartsheet-python-sdk>

Using `Sheets.list_sheets` I am able to get the 'modifiedAt' property (along with other properties) for all the sheets that I have access to.

Using `Sheets.get_sheet(sheet_id`) I get all the data (rows, columns) for the specified sheet.

How do I get only the '**modifiedAt**' (it's OK if some other small properties are also present) for a specific sheet with a known sheet ID. I don't want the row, column, cell information to be present in the API response.