Subscribed

To sign up to have copies of a publication, such as a newspaper or a magazine, delivered for a period of time.

"Would you like to subscribe or subscribe a friend to our new magazine, Lexicography Illustrated?"

To pay for the provision of a service, such as Internet access or a cell phone plan.

To believe or agree with a theory or an idea (used with to).

"I don’t subscribe to that theory."

To pay money to be a member of an organization.