Transaction not yet indexed

21Z4dYMUwVb9yd8fPvtFSrCz8xtmKicAaKreddUinF2mu7dEUW6TAqiBb3mGuUrgHCaCqMZKxsFvQLQZKfiU6xpK

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