public JournalEntry(
	string persistenceId,
	long sequenceNr,
	bool isDeleted,
	string manifest,
	DateTime timestamp,
	Object payload
)

new : 
        persistenceId : string * 
        sequenceNr : int64 * 
        isDeleted : bool * 
        manifest : string * 
        timestamp : DateTime * 
        payload : Object -> JournalEntry