Transaction not yet indexed

QQu9td1B21vBuJLYVfZW9qPBXJcXtHUPkpd3egpNgurxmrH4ntjZaQbgaCDHEAoWD8NYmQuZAxZsbsuzFtbb1pP

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