Transaction not yet indexed

DDdung6EFeioPtfmHd2g8EHYVtiHtFJchE4gc9pwQjVTkvzyAWGfUaNxHy2Nms9cBUs6jED2CG3B3DE4VHodsqe

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.