Interesting to follow the problem you are facing. Because it's a very large number. After this accusation, maybe they haven't responded to you at all. Even though FJ ads is a fairly well-known casino and has a good reputation.
The problem and all the evidence that you have attached, it is impossible for them to sacrifice the reputation of the casino by ignoring only 1 case. Hopefully the money with a large nominal that is lost can quickly return to your account intact.

The evidence you have attached shows the seriousness of this problem, which FJ should immediately address.