Field	Type	Required	Description
completed	int	+	Progress of the operation
error	object	–	Describes any errors that occurred. ‘null’ if there are no errors.
operationId	string	+	Identity of corresponding hub.software.update.execute request (not supported at the moment).
serial	string	+	Serial number of the hub controller.
status	enum	+	Result of the operation. Can be ‘started’, ‘process’, ‘finished’, ‘aborted’.