docs: def verify_document(self, document: Document) -> bool:
          """
          Check specified document
          :param duniterpy.documents.Document document:
          :return:
          """
          signature = base64.b64decode(document.signatures[0])
          prepended = signature + bytes(document.raw(), 'ascii')
  
          try:
              self.verify(prepended)
              return True
          except ValueError:
              return False