Put your name on the side that checks the evidence.
Tell us who you are and who you reach. We reply from hello@nil33.com with the agreement or the one-page Ambassador terms and the approved lines. Nothing is published until it is signed.
Champion compensation, when any, is a disclosed flat fee. Ambassadors are unpaid. A Champion who introduces another athlete may receive a flat, capped honorarium on that athlete's signature, never on any sale.