Sub Groups under Groups in Drupal 8

Anybody has idea about how we can have Sub Groups under Drupal Group? This module; https://www.drupal.org/project/group, will manage grouping of content, users…. perfectly. But we are looking to have a hierarchical Group functionality (Group inside a group). Use Case: An Organization has various Groups and Departments. Main Company -> Organizations(Groups) -> Departments (subgroups) Departments/Groups Should…

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