I got banned for rank manipulation?????

apparently i got banned for rank manipulation even tho i didnt boost my account. logged into my account as usual played a couple of games and now that i logged in again ive been banned.

https://preview.redd.it/mzt9q4vsjjph1.png?width=1277&format=png&auto=webp&s=11fef6007272b0be5eafba074aad61c769eca09a

what can i do to revert this i legit didnt manipulate my rank