Transaction not yet indexed

Q2121wrADqt5FkN2dZ8hLHC5SXRcxqRX7f2BAXQmGU4rvaFon7o2yPrwHGrTg6GELGTLP18ZqwbeiDCNUuGC6Dx

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