devtodev_id — numeric user id
crossplatform_id — cross platform user id, only for projects with set user id identification
uc_createtime — user registration date
uc_first_paymenttime — first payment date
uc_last_paymenttime — last payment date
uc_payment_cnt — number of payments
uc_payment_sum — sum of payments
uc_cheater — mark a cheater
uc_tester — mark a tester