Transaction not yet indexed

21LjMbjjFk3CS6oYcU1Ue295iZy3qDrrrL6cGR45TJ2vRk1yHqLUSdAYwh6Z2HrPK4Pcci2kzCsWvEMtsAZ57VCp

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