There’s a link which simply takes you to the ticket site where people pick their seats from what’s left of the allocation. The tickets are open to anyone in your area plus partners/guests.
Liverpool - https://q.axs.co.uk/?c=axseu&e=12490963324821826
The tickets themselves (priced between £200-£300) are free but there’s a £4.50 booking fee per ticket payable on the ticketing site.
Information provided by Weeton HIVE