Kareem Rahma , the comedian, musician and host of the viral social media series “Subway Takes,” has signed with UTA for representation in all areas. The agency, whose Creators division has grown significantly in the past two decades, will work to secure opportunities for Rahma across digital media, filmed entertainment, brand partnerships and more. The signing comes as Rahma recently launched a new YouTube series, “Keep the Meter Running,” in which he spends long nights following cab drivers