I sure hope you recover your funds.
For success, chargeback procedures need to be initiated quickly, while your funds are still available between the brokers merchant account and the acquiring bank of the payment service provider firm. (weeks/some months due to some kind of credit line acquiring bank/merchant)
Again, this will involve your country’s regulator, also PSP firms need authorization, which they just might not have (more or less belonging to the scam industry ), from there on AML laws might also pop up, and so on….
Generally Banks avoid getting involved in such scams, and will get things right for you, however many victims don’t succeed so easily, and it sure needs Law support.