-----BEGIN BITCOIN SIGNED MESSAGE-----
1GrMF4YU8mahMKHVaWwL2Lwf5quwDwpt8A is not from multi-bit Classic Wallet.
I sold the account you use in 2017. To someone else.
-----BEGIN SIGNATURE-----
1GrMF4YU8mahMKHVaWwL2Lwf5quwDwpt8A
Hx5mf4Wexey3I6FraanAfqw/hSpR5aRR3K0DE2bY2+7ScBEI/DHf49DkHBg723cVM13n3H49ASleC2Z3APXka2Q=
-----END BITCOIN SIGNED MESSAGE-----