Request: POST https://api.gunsel.ua//Agency.svc/SellTicket HTTP/1.1
Payload:
{"PaymentChannel":"50","TicketItems":[{"TravelSeatBlockId":"b7347524-bc33-4273-a80c-583e253d3de9","FirstName":"Сергей","LastName":"Шулешко","PhoneNumber":"+380982145014","Email":"kuras71@meta.ua"}]}

Response: HTTP/1.1 400 Level: SQLException
Payload:
{"Data":null,"Status":{"Endpoint":8,"Service":70,"StatusCode":"BadRequest","StatusLevel":199,"StatusText":"Level: SQLException - Transaction (Process ID 58) was deadlocked on lock | communication buffer resources with another process and has been chosen as the deadlock victim. Rerun the transaction."}}