The message exchange will be based on JSON messages. The subsequent sections will outline the minimum content for the message payload, where the fields are properties for the payload JSON, and any additional fields might be utilized as specified in the connector application documentation, in accordance with the vendor's requirements.
For ZMQ, the JSON string payload will be encoded into a UTF-8 single-frame message.
In MQTT messages, the JSON payload serves as the content of the message to be sent.