I didn't sign any term and they changed my trello subscription to annual and I want to pay monthly

[Life Artes Ltda]

I didn't sign any term and they changed my trello subscription to annual and I want to pay monthly
I want to remove my card from the account and I don't want to pay the annual amount because I never signed any term for portability. I demand a return

my email: lifeartes00@gmail.com

[Brant Schroeder]

@Life Artes Ltda 

You need to submit a billing support ticket on this page.  https://trello.com/contact#/   Go to the bottom and log in and then select billing as the support request type.

[Life Artes Ltda]

I already did that, I clicked on this link and filled it out, 2 days ago and so far no one has answered me…
what i have to do?
why so long time to wating?
i have a big problema urgent