Ok...
Is this what I have to send?
signmessage ANi7JgdfT2HSdTxB8T8sAnVwfDuRFxJeRg "Koooooj owns this address"
H1mJljsMaxVEXbfbnuNACzgVekgqYlEqJr2pljzJU+YfwnaKi35l4Q1+/2bh2iPNND1rA3ID3Jfkz+L5M0oiB70=
You probably want to put your own name there. Also, did that address generate a noteworthy block?