Lucas Grabeel, who is known for playing Ryan on High School Musical, posted a picture of JC eating dim sum on instagram to share that JC has finally made an account and that you should follow him.
JC's first post is one of him working on music with Aloe Blacc and Dallas Austin. Of course JC isn't making any music for himself:).
Source: Instagram 1, Instagram 2
I didn't know JC and Ryan were friends. JC made an instagram, but who knows what for since he'll probably never make music for himself again. rip