Transaction not yet indexed

UkPHcUdftXTK1FV11HiKakDFPnL6tWqk2Cd8HgYdxCRFiWJeHTyJeCS42XzHGXwA6EWqCU6wQWHJ7LoqKQ3Tz56

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