This scope lets an app "Access basic information about your User Groups"
usergroups.list- List all User Groups for a team
usergroups.users.list- List all users in a User Group
subteam_created- A User Group has been added to the workspace
subteam_members_changed- The membership of an existing User Group has changed
subteam_self_added- You have been added to a User Group
subteam_self_removed- You have been removed from a User Group
subteam_updated- An existing User Group has been updated or its members changed