Reza Hosseini. from Koohdasht, was one of four people executed on 3 May in northern Iran over drugs related charges.
His execution followed a trial that allegedly only lasted two minutes before he was found guilty and sentenced to death at Ghezel Hesar Prison.
The 34-year-old reportedly insisted he was innocent throughout the trial to which Judge Tayerani then told him that, if this was the case, he would go to heaven after being executed, HRANA news agency reports.
In a will seen by Iran Human Rights (IHR), Hosseini insisted he was innocent and made reference to the comments made by the judge.