public static CertificateEntry createForX509Certificate(byte[] x509Certificate) {
        return new CertificateEntry(LogEntryType.X509_ENTRY, x509Certificate, null);
    }
Creates a CertificateEntry with type PRECERT_ENTRY

@throws IllegalArgumentException if issuerKeyHash isn't 32 bytes
common/src/main/java/org/conscrypt/ct/CertificateEntry.java