OptionalreduceOptionaltriggerSpecify the type of trigger that will be used for the order if the order will be sent to the trigger service.
OptionalisolatedSpecify if the order is for an isolated position An order CANNOT be both a TWAP order and an isolated order.
OptionaltwapSpecify if the order is a TWAP order An order CANNOT be both a TWAP order and an isolated order.
OptionalbuilderSpecify the builder for fee sharing. Builder ID is encoded in bits 48-63 (16 bits). Builder fee rate is encoded in bits 38-47 (10 bits).
All the fields encoded by the order appendix