Transaction not yet indexed

WUfdMemnwJbgg66S41gdj29SKWPDynfRPJDUukdMzWZn4h4qNv3atJZx7WTDVCbmmdMuVkqMoYqSE8fYz3RsEDm

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