Transaction not yet indexed

21ngcZiTkXuvYkCcjf6gptYvrb8iqTP8P66RFJsbeaR65rAkDbtDgvDetb29swcm9WT3DaQrkgvFxjurLWNq8rvq

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