code: def parse_json(content):
      
      try:
          json_content = json.loads(content)
          return _recursive_strip(json_content)
      except json.JSONDecodeError:
          raise InvalidContent("content is not a json string.")
docs: Tries to parse a string into a json object.
  
      This also performs a trim of all values, recursively removing leading and trailing whitespace.
  
      Parameters
      ----------
      content: A JSON format string.
  
      Returns
      -------
      obj:
          The object represented by the json string.
  
      Raises
      ------
      InvalidContent
          If the content is not a valid json string.