-----BEGIN BITCOIN SIGNED MESSAGE-----
ingvarfervent [121478] from bitcointalk.org 22.07.2018
-----BEGIN SIGNATURE-----
1Q91E4ahrtxrg5CxzvZ8rjdFgAnDGqwSyS
IKwV+o3d2aQy2NHQcRijaB6uqPf+dXD+uKbDT9sDc4+LLAh389t1VvR6sBj3/rP6p8arc9JYqW3kDGigQL4SVE0=
-----END BITCOIN SIGNED MESSAGE-----
ingvarfervent [121478] from bitcointalk.org 22.07.2018
-----BEGIN SIGNATURE-----
1Q91E4ahrtxrg5CxzvZ8rjdFgAnDGqwSyS
IKwV+o3d2aQy2NHQcRijaB6uqPf+dXD+uKbDT9sDc4+LLAh389t1VvR6sBj3/rP6p8arc9JYqW3kDGigQL4SVE0=
-----END BITCOIN SIGNED MESSAGE-----
Quoted and verified using Electrum.
Segwit addres like bc1qqhqe7rsnznt4jagzantz8gz0t7258q2ckhrhww not work 
Actually, it can do but there are incompatibilities between wallets. That message verified only in Electrum with which you created it. It's better to use one that everyone can verify for a use like this.