1. A method for prioritizing messages based on subscriber preferences, the method comprising: determining, by one or more computer processors, that a subscriber is subscribed to at least one topic space; receiving, by the one or more computer processors, one or more topic priority preferences from the subscriber; receiving, by the one or more computer processors, a plurality of messages from the at least one topic space; prioritizing, by the one or more computer processors, the plurality of messages based, at least in part, on the received topic priority preference; and sending, by the one or more computer processors, the prioritized plurality of messages to the subscriber.