Transaction not yet indexed

21MFfUMYqGa13Vcb2Bp1yyXqvQp4NCbuBf3Vnj1HTXgiR8ofdDN4g49egfmmjVuYReHMbGskAJZ9UG8LX6nYBVrW

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