Code:
-----BEGIN BITCOIN SIGNED MESSAGE-----
bitcointalk username sarahsab, message signing date 26/07/2019
-----BEGIN SIGNATURE-----
18Zq2aMk4wiUozMzUaTKBgTNPvYyBr5LjR
H+/kekJIH9wzZ1cj+DmvX0K6xdNp1pIUZ/8SFsSOMhkhZPPdXtXmuJrEVU3Lq6QTQhqD9QHY+OpaAeOdUbHCwMA=
-----END BITCOIN SIGNED MESSAGE-----
Thanks