dataToBeSignedRepresentation
@SerialName(value = "DTBS/R")
@Serializable(with = ByteArrayBase64Serializer::class)
D3.1: UC Specification WP3: OPTIONAL. String containing data to be signed representation as defined in CEN EN 419241-1 and ETSI/TR 119 001:2016 (as base64-encoded octet). If this property is present, the dtbsrHashAlgorithmOid MUST be present. One of the parameters hash and dataToBeSignedRepresentation MUST be present. Both parameters hash and dataToBeSignedRepresentation MAY be present.