where you got that addy ? that addy is not mine i searched that addy is belong to another person the addy i usually use just 1VNZNZ3tt9ZFqWgoQduRqEXnqcPpSgg8Q so i able to signed message from that addy
The address 12dbUqMV5NZVjA6YvFvUh1sk2qt3W14VdR belongs to bitcointalk user
virtualdn, and has been used by virtualdn 9 months ago on bitcointalk, for a signature campaign. 1VNZNZ3tt9ZFqWgoQduRqEXnqcPpSgg8Q is Venessian's address, as he used it to participate in a ponzi promotion
here.