post
https://api.campaign.episerver.net/rest//confirmations//recipientLists
Create or update a "Recipients" node. The "recipientListIds" parameter is only required for updating.
The "Recipient" node was created successfully.
The "Recipient" node could not be found. Ensure that the required parameters such as "campaignId" or "recipientListIds" are correct and the "Recipients" node exists.
