Add a reaction to a message.
queued_request_uuid that you can use to check the actual message status.queued_request_link or the Get Queued Request endpoint to check the actual message response once itโs processed.
More details on queued requests can be found in the Queued Requests Documentation.

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
"{{ instance_id }}"
Message ID
Reaction to add