You can enable your BubblClub to have both free access to content and content that’s only accessible behind a login.
In order to put content behind the BubblClub wall and it requires user authentication and login. In order to have your BubblClub deliver personalized features and experiences, you need to have users log in and have their own profiles. Users can if allowed create their own profiles – or you, the BubblClub manager, can create them via ie. an imported list.
You can also decide to have different user profiles/levels of membership so that you can adjust the content of the BubblClub based on different user profiles. Different user levels can be relevant avoid sending irrelevant information to some members – or to prevent access to certain content for some users.