That's a big yikes. What is even funnier is that even the 46K dollars wouldn't even be remotely close to the amount of money a team gets in League, Dota or a player in Fortnite gets for winning a tournament and CPT is SFV's biggest event of the year outside of EVO.
Its cause he doesn't have a pro gaming liscene, if you don't have that liscene,you can't receive full winning because of Japan's gambling laws (winning money from playing a videogame is seen as gambling in Japan), Momochi talked about this months ago about how he was against the pro gaming liscene because
It essentially allows an outside third party group to determine who's considered a pro gamer or not, as opppsed to just being good at the game you play, so not getting the liscene is his way of fighting it