OrderCancelledUSFuturesV1

Field Name	Offset	Length	Data Type	Description
StartOfMessage	0	2	Binary	B0 E3 (58288)
MessageLength	2	2	Binary	33 00 (51)
MessageType	4	2	Binary	E2 05 (1506)
MatchingUnit	6	1	Binary	Matching Unit which created this message.
Reserved	7	1	Binary	Unspecified
SequenceNumber	8	4	Binary	The sequence number for this message. Distinct per Matching Unit
TransactionTime	12	8	DateTime	The time the event occurred in the CFE Matching Engine (not the time the message was sent).
ClOrdId	20	20	Text	The order which was cancelled.
ClearingFirm	40	4	Alpha	EFID that would clear the trade.
CancelReason	44	1	Text	See Section Order Reason Codes.
RequestReceivedTime	45	8	DateTime	The earliest timestamp, populated with nanosecond precision, recorded by CFE of the corresponding inbound message being acknowledged. Populated with zero in event of failover to Port B or Port C. Note: Value will be 0 if this is not a response to a Cancel Order message.

(New fields may be introduced at the end of this message. Consequently, TPHs must treat any additional bytes present as undefined values.)