code: def raw(self) -> str:
          
          return """Version: {version}
  Type: Identity
  Currency: {currency}
  Issuer: {pubkey}
  UniqueID: {uid}
  Timestamp: {timestamp}
  """.format(version=self.version,
             currency=self.currency,
             pubkey=self.pubkey,
             uid=self.uid,
             timestamp=self.timestamp)
docs: Return a raw document of the Identity
          :return: