I've found a post that can be directly linked to a BTC address that i own and can sign, will these details be enough to prove i own the account?

Post: (TXID of the 0.5 BTC sent to me)
https://bitcointalk.org/index.php?topic=1432608.msg14489276#msg14489276

signed message:


-----BEGIN BITCOIN SIGNED MESSAGE-----
My account mammix2 has been hacked/lost. Please reset the email to mammix2@hotmail.com. The current date is 18th September 2017
-----BEGIN SIGNATURE-----
1MCgVfxLq4MuKoPZSuPrqwRF51Ndmig5gu
HzDlgRtCUhGcL8ROvqU+hH2NeLzsAFagH7NLmU3Gm3d4JtyQgaCYT6VJ3ldaPwHH0CEh25s9n4OO11F3QJrD2uM=
-----END BITCOIN SIGNED MESSAGE-----


Verified here
http://www.coinig.com/?adr=1MCgVfxLq4MuKoPZSuPrqwRF51Ndmig5gu&msg=My+account+mammix2+has+been+hacked%2Flost.+Please+reset+the+email+to+mammix2%40hotmail.com.+The+current+date+is+18th+September+2017&sig=HzDlgRtCUhGcL8ROvqU%2BhH2NeLzsAFagH7NLmU3Gm3d4JtyQgaCYT6VJ3ldaPwHH0CEh25s9n4OO11F3QJrD2uM%3D