Transaction not yet indexed

Z78Y5ThZJAxPvtu8rh3MNvCVPP4dQBnTdPbisi3q8LQe17Dtiz5pcavt5hFbtXpStc3kRfGNz9MKwLbTJS7KEAP

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