message_correlation_property_topica message_correlation_property_topicb topica the_payload.topica topicb the_payload.topicb Flow_10conab Flow_1qgz6p0 Flow_037vpjk Flow_1qgz6p0 the_topic = "first_conversation" Flow_1ihr88m Flow_037vpjk Flow_10conab Flow_1ihr88m timestamp = time.time() the_topica = f"first_conversation_a_{timestamp}" the_topicb = f"first_conversation_b_{timestamp}" del time { "topica": the_topica, "topicb": the_topicb, } the_payload