Subject
data class SubjectAltNamesResponse(val customSans: List<X509ExtensionResponse>, val dnsNames: List<String>, val emailAddresses: List<String>, val ipAddresses: List<String>, val uris: List<String>)
SubjectAltNames corresponds to a more modern way of listing what the asserted identity is in a certificate (i.e., compared to the "common name" in the distinguished name).