Transaction not yet indexed

21TcbWDsHSYCJ7wcbWv1xuRSAs45V4vFeQqLdgBEGwQvWNqBSAv5oegspgExJJ8qCzEEsrPv85WazzM4iArMNnSb

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