docs: def deserialise(self, element_json: str) -> Element:
          """
          Deserialises the given JSON into an element.
  
          >>> json = '{"element": "string", "content": "Hello"'
          >>> JSONDeserialiser().deserialise(json)
          String(content='Hello')
          """
  
          return self.deserialise_dict(json.loads(element_json))