Transaction not yet indexed

53FfHYkrm3z8Sn3Lkgt4PpNmmdbXknhhcTxLbmmuXMSGvJY1ry8CeXGnuWz3E6aAAwiH3vnmcWWh4aDWBYJGbH66

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