Sign a message from the address that had 139 Bitcoin in it. It's easier to take you seriously that way.
https://bitcointalk.org/index.php?topic=5476101bc1qn3d7vyks0k3fx38xkxazpep8830ttmydwekrnl
IAJdBrmsgwWQU6IFXu1jC77GJuDguNv82ERXT2R8UywQZ7565idpdZpxjWflFVCnrjEfAJC5YcSnQUa
jrgdmaZc

Signature verified on
https://www.verifybitcoinmessage.com~
Did you input the whole thing?
Sign a message from the address that had 139 Bitcoin in it. It's easier to take you seriously that way.
https://bitcointalk.org/index.php?topic=5476101bc1qn3d7vyks0k3fx38xkxazpep8830ttmydwekrnl
IAJdBrmsgwWQU6IFXu1jC77GJuDguNv82ERXT2R8UywQZ7565idpdZpxjWflFVCnrjEfAJC5YcSnQUa
jrgdmaZc
Are you using a link to this topic as the content of your signed message? If so, Electrum shows that your signature is not correct, but
this signature verification service shows that your signature is correct. It's hard to know who to believe.
Might depend on if you're using an older Electrum version. Someone should try Bitcoin Core.