You will need to send a signed message to @hoffmang or @lbisio (both are preferred) on Keybase or email to hello@chia.net.
To sign the proper message you will need some data about your HD key. Don't share the full results, but reference this command for the following steps.
chia keys show
From that you will first need the Fingerprint:
and the Pool public key
and it's derivation path which is in the parentheses right before the Pool public key.