Transaction not yet indexed

ngLygDX3ujmaRXoLE9EU8YZodFTM6Un9gPH9hmTn1nMwBfNL2EuNLBwXHTDKKE4MwghTJ3aEFFaRH2b8mCT5RP8

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