The Post data type has a Creator (User) property and a Tags (list of Tags) property.
Users can follow other Users.
Users can follow Tags.
I need a Bubble query that selects all Users
WHERE
(Post.Tags includes a Tag followed by User OR Post.Creator is a user followed by User)
AND Post.Created Date > CurrentDate-24 hours.
I’d suggest starting by trying to do each search individually to ensure it works the way you want it to. Then you can merge those searches together with :merged with:
Separately, regarding data structure and which way to link datatypes, great post and discussion here: