Bitcoin signed message - -----BEGIN BITCOIN SIGNED MESSAGE-----
I am medicine, today is 26/12/2015
-----BEGIN BITCOIN SIGNATURE-----
Version: Bitcoin-qt (1.0)
Address: 1GhVNYuPskEjX79oECB8KF53uvcKMhpNHW

IENVKsbKlAjgISyu3bTsVIGkO3DGTF47kONhtkHjFOOEfBk1Mw2lQTT6IDtxO8tV1wkiUF9ps58Jooj Gc9JXBXc=
-----END BITCOIN SIGNATURE-----

Link to bitcion.com forum verification message (bottom): https://forum.bitcoin.com/marketplace/signed-message-verification-t440-140.html