My First attempt and I think it’s my first success.

 
Address: 178KWG43d8XJMV2ibsN2EfN4jbLJEmcHNY
Message: I am BDBitcoinExpart, I created a new sign message.
Signature: H6K45P5JPSoTl880XCiBbvLBU54RUFz8eHKzTIJh4DgOSUVADcnxAmrQfds3UUNjeANgUuy1e1fS1iy th8Lj5Fs=