Transaction not yet indexed

Xf6ctaSGWPMkqHZRD7XFRJyAyjGvxsaRV16LdXQ1f7AQg5SaFsNFpaKKudhMAWG9bn6MTiAtDJdwat9tHJ3R1v4

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