I do not know if I did it right but I kind of signed the message.
Re-sent this signature Cyrus to pm.

-----BEGIN BITCOIN SIGNED MESSAGE-----
My account rus23kav has been hacked/lost. Please reset the email to rus23kav@gmail.com. The current date is 12.07.2018.
-----BEGIN SIGNATURE-----
1Kg8c2ESqa8mq3hoh4j2S1AxK9Q2BRcoA4
IMYPUmRiMSWI+gbRmQtlgpieyTwHvZgpT7GlS9N/BRNsWiMwv59L2A6xHw6uhcYse2qqCxNct86oIzilX6KkPHY=
-----END BITCOIN SIGNED MESSAGE-----