ValidateCertificateChallenge validates HTTP-01 challenge and finalizes certificate issuance (Phase 2)
ValidateCertificateChallengeOutput defines output for HTTP-01 challenge validation
Certificate display ID from Phase 1
Set output format to JSON
Certificate name (alternative to cert-display-id)
Validation timeout in seconds
Authentication token (see /auth and /configure)
The universal identity token, Required only for universal_identity authentication
validateCertificateChallengeResponse wraps response body.