You have a Microsoft 365 subscription that uses a default domain named contoso.com.
You have two users named User 1 and User2.
From the Security & Compliance admin center, you add User1 to the ediscovery Manager role group.
From the Security & Compliance admin center, User1 creates a case named Case1 You need to ensure that User1 can add User2 as a case member. The solution must use the principle of least privilege.
To which role group should you add User2?