they are accusing you of arbitrage, and tbh, looking at your bets, they kinda look like arbitrage. betting with stakes like $43.98, $37.99, $133.98 will flag you for arbitrage on most bookie as far as i know.
i don't know if you were really doing arbitrage, and tbh, even if you did, they should only void your wins, let you withdraw your deposit, then close your account.
OP, you should send them a PM asking for a response if you haven't done that yet.
Not taking sides here, just to inform why the stakes are like that. When a player places a bet, he's placing it on the coin he deposited, so if he placed a bet of for example 44 dollars, and the coin value shifts, it will look like that (43.98).