code: public static EntityTypeActionOperation<String> rebind(String contentKeyId,
              String x509Certificate) {
          return new RebindContentKeyActionOperation(contentKeyId,
                  x509Certificate);
      }
docs: Rebind content key with specified content key and X509 Certificate.
  
  @param contentKeyId
  the content key id
  @param x509Certificate
  the x509 certificate
  @return the entity action operation