docs: def decode_token(token):
      """
      Top-level method to decode a JWT.
      Takes either a compact-encoded JWT with a single signature,
      or a multi-sig JWT in the JSON-serialized format.
  
      Returns the deserialized token, as a dict.
      The signatures will still be base64-encoded
      """
      if isinstance(token, (unicode,str)):
          return _decode_token_compact(token)
  
      else:
          return _decode_token_json(token)