Sends a message to the human user and waits for their response. Authorization required.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Message details to send to the human.
Message sent successfully or response received.
Indicates if the client should retry the request to get the human's response.
Unique identifier for the message.
Session identifier.
Message content (agent's message when shouldRetry is true, human's response when shouldRetry is false).
Timestamp of message creation.
Indicates if the message is from the agent (true) or human (false).