OP, do you have any updates as to the current situation of your problem? I believe @Stunna has replied to your post and he/she specifically requested that you should provide KYC documents, then the case will continue to be discussed amongst yourselves.
OP said he is not in position to verify his account as he is in a territory that's banned by stake.com. I think he accessed the platform using VPN and the account was flagged and blocked, and now his winnings are stuck in there.
Op should partly blame himself for the mess rather than make it look like stake.com actually "scammed" him $40K