Transaction not yet indexed

21mdf4yNVdAaX35WGrjsBUhn5JttpdZefxPTmyssws3P6M8SZtVsWZVc4bXTRUH2p5JFzDZKoC3EsxkTP6CXfhC2

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