Transaction not yet indexed

21Nm6e6yC86LhM1AwqQ6ig2FLaLQLzJffrEgxcMEKRC6Q1TLnmBbi7Ts2v4G6Nff5LWQUEphc2oUd1c6zNCxoRVG

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