You will not be unmuted as you have not been able to go 48hrs without attempting to bypass your mute. Maybe try following the rules first before appealing.
Your permanent mute was due to your constant lack of consideration for the chat related rules on our server, a total of 18 temporary mutes. You can view the reason for these at:
You can use shop signs to buy/sell, you cannot use shop signs to bypass your mute. Hopefully that clears things up for you.