CredentialOperationConfirmationDto

Confirmation created for a credential ceremony. The challenge itself is fetched from the
confirmations service, the same way the front end already does it for transfers.

{
    "operationId": "3051932a-fdd2-48fa-b330-7e7d41535969",
    "confirmationId": "40b00753-949e-4f8e-a4cc-6b64ed5887e1"
}