Transaction not yet indexed

WUPfbQFcmNFeGhgJ63H8hJPw6cpddUUpRKcmBURPy1sWpbjBYc6PcaRhqSK2kxtEPg6uJNYiG3KmSXnNfWWE1vN

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