---
A sample for you; note that I did not use my real email....
-----BEGIN BITCOIN SIGNED MESSAGE-----
My account <Csmiami> has been hacked/lost. Please reset the email to <youremail@emailprovider.com>. The current date is <06/05/2020>.
-----BEGIN SIGNATURE-----
3QPjLGPxUPB24wXXXLeYss6JDa5xZ1ND9y
JPrjpAMacNRaIEIqRq7bDErOhZDcak70y2qYwefq+rWRPL/RE6r+5ilP9G2lxE8aS1CHMvfLDEBzKwdFUr0aPnw=
-----END BITCOIN SIGNED MESSAGE-----
Edit: You can verify it
hereSo my address singed message should like that :My account <account name> has been hacked/lost. Please reset the email to <my email>. The current date is <today date>.
Not anything else, ex:: This is my address I am owner