Just out of curiosity, are you OP's personal assistant or hired lawyer? 
Feel free to direct this question to the OP.
Nope, the way you reply already shows that you're an important part of OP in real life as you feel peeved away whenever I ask OP to show everyone their proof of deposit and trustworthiness on their issue.
Quote
Regarding signed messages. He does not have to because you asked him to, simple as that. What will it achieve? How does it help him? He has stated clearly above ^^^, that if Cloudbet should request it, and it resolves this matter once and for all, he will co-operate.
At least that signed message will prove his innocence and truth as well as help others by being stopped to play over there with such huge amounts as cloudbet used to be one of the most trustworthy sportsbetting sites where many players could trust to put their huge stack of coins. But after this gets confirmed and they are found guilty for real, who would be stupid enough to go and gamble there? It's not understandable here that why both the parties are playing crazy? At least one should pile up all the proofs, show them up and get this accusation come to a "Happy ending".