Transaction not yet indexed

21Ym9CVHEuzVQKcNGdKPRPC7YKF2iEXjun8ts2XZBRA1GpaYTiShZrSpwDYbWa2A7cG6y2LtJQ7GhNoSYTALbx64

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