The defence has appeared on the ISX website I wonder if the subpoenas have anything to do with this?
https://www.isignthis.com.au/hubfs/Investor%20Documents%202020/Announcements/2022/March/ASX%20Defence%20to%20iSignthis%20$462m%20Federal%20Court%20damages%20claim.pdf?hsLang=en-au