Blac Chyna could be facing a lawsuit soon, as it appears that her money-hungry former managers want to cash in on what Angela has built in recent years. According to a new report, Jason Alston and Lincoln Hayes of Infinite Grind Multimedia signed Chy to a 10-year contract in 2007 – with a 50/50 split. How shady does that ENTIRE thing sound? Giving management HALF of your earnings, and signing for a DECADE? Something was very wrong there…