The message body is encoded in the AMQP bare-message application-data section as an AMQP ‘binary’ value.

A JSON body is encoded as defined for the JSON message mapping defined in 7.2.4.6.9.

The corresponding MIME type is application/json.

A UADP body is encoded as defined for the UADP message mapping defined in 7.2.3.

The corresponding MIME type is application/opcua+uadp.

If the encoded AMQP message size exceeds the Broker limits it shall be broken into multiple chunks as described in 7.2.4.4.4.

It is recommended to create the MetaDataQueueName as described in 6.4.2.5.5 by appending the text “$Metadata” to the related QueueName.