You can view detailed information about messages and the raw message data itself from the Summary tab on Business Process view of the page.
The Business Process view displays the message you selected as part of a series of messages related to the same business process. See Viewing message information - Business Process view.
You can click the View... link in the top right corner of the tab to view the raw message data in a separate dialog box. If functional acknowledgement data exists for the message, you can view it here, too. Alternatively, you can view functional acknowledgement data (if it exists) directly from the Tile view by clicking the FA icon in the lower right corner of a given tile.
You can view message data in its original format or in its translated format, if available. You can also view the functional acknowledgement.
You can download the data being displayed (original message, translated message, or functional acknowledgement, if available) using the Download button.
In addition, you can use the Compare With menu to compare any two of the three messages (original message, translated message, and functional acknowledgment) side-by-side.