Transaction not yet indexed

5UNgxPLWE4HBKhvR2mbjUt2bCc2nCfA1szUpyNYFC6t3dTsoZQXANXRunkkEXVmoEDMvnaC5LNyD5z5Qcx4sUt77

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