code: def _create_metadata_from_state(self, state, ts):
          
          if state is None:
              return None
  
          def _f(elem, ts):
              if isinstance(elem, dict):
                  return {_: _f(elem[_], ts) for _ in elem.keys()}
              if isinstance(elem, list):
                  return [_f(_, ts) for _ in elem]
              return {"timestamp": ts}
          return _f(state, ts)
docs: state must be disired or reported stype dict object
          replces primitive type with {"timestamp": ts} in dict