Transaction not yet indexed

21h4SMkmoFckHZpRxU3PvFziEtBm3egZdjpa4b8pcHGQVp2aC4Dkmbq727CKU768wGpPtiJ9E1nnx1AMDMWf3HP3

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