WME has signed vlogger Anastasia Radzinskaia, The Hollywood Reporter has exclusively learned.Born in Russia six years ago, Radzinskaia (who vlogs under monikers including "Like Nastya" and "Stacy") generates almost $20 million a year in advertising revenue across her eight channels, which collectively have attracted 3.3 billion monthly views and 110 million subscribers, with 200,000 more subscribing every day from around the world.