Transaction not yet indexed

642EFMCKJdx5BhYDCE4E6UrUcQpPWF8Loc56cGWNAUeQshzPJ21vy62N9GXpfTiLnaC7cZY8TRzH4ZasCUJWN5eT

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