and there is no dispute , just investigation because the account owner said they didn't make the transaction, I have also mailed a letter to the verified paypal address, so if noble is the account owner they can post a picture of the letter ,
Are you out any
BTC? Do you have a txid for proof?
If not, then nothing you said matters. Hit the refund button, no matter WHO sent the payment. You have no right to the funds.