My Garena Free Fire Account Was Hacked and Accessed on Another Device

My Garena Free Fire account has been hacked. Please help me recover it. My UID is 2159689733. I don’t know how it happened, but one day, the account was logged in on another device. I am requesting your assistance to recover this account. I have tried to contact many people, but no one has been able to help me. I have already submitted my UID. Please help me resolve this issue!