Transaction not yet indexed

21NgSfjgM3tG5kkX1GcHwuJwtMRAnvFti5Vdz2cdvDw1vQ7d47ZyawQGHhyxSn2Cj6rGLp1vBPPEQiUS6HaEXJgu

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