I can't withdrawal

I use USDC for trade and loan from my friends, they ask me to pay 20% of balance for tax and also 20%more for account management and then they ask to withdrawal 50% of my balance for security to able to have withdrawal and say it deposited to your account but they didn't do that it was 580$ I have all these evidence, now my money is in my account but I can't withdrawal, could you help me what can I do to bring back my estate?
Now I have a withdrawal request in pending review , if you could help me how to able receive that?
Please answer me