----BEGIN BITCOIN SIGNED MESSAGE-----
I am olegining. I can sign a message.
-----BEGIN SIGNATURE-----
Version: Bitcoin-qt (1.0)
Address: bc1qu68vgp8za3xfvhfmcq3nq92v9u2476ywtdxsvg
Signature: HzdUuuXJlsGm9Wqmzr9MJgqRVbezEFpMIfyH98xmRk6yTCuAQG/81QZ//TyHRJGyWosZkcekzLBo97Mz5J9YCzk=
-----END BITCOIN SIGNED MESSAGE-----