Transaction not yet indexed

21Mk8BHJwQJNLh1tZZDoH2MCSFrF68KD6jTbSff2ZfWocTLvc5hrYCWpK3oMGgkLnA94FpPuFHLDLEwL4vJL59ax

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