Learn how to say Subscribed correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word subscribe:
(usually followed by to) to pay or promise to pay (a sum of money) as a contribution (to a fund or charity, for a magazine, etc), esp at regular intervals
to inscribe or sign (one’s name, etc) at the end of a contract, will, or other document
(intransitive) foll by to to give support or approval ⇒ to subscribe to the theory of transubstantiation