SUBSCRIBED
Usage SUBSCRIBE
      SUBSCRIBE <vehicle>
This is the command used to set in the firmware of a Remote Control Deck, a vehicle that can be
accessed remotely with said deck.  It is also used to list currently subscribed vehicles in a Remote 
Control Deck. 
When you login your subscriber list may be empty. That is normal, it will refresh next time the MUD
hour ticks over.
See also: CONTROL, RIG, RIGGERS, UNSUBSCRIBE, RCD