Transaction not yet indexed

YNbA1bQUiwNWJCe2G4kybNfXRPKmypZQFSgBkrMseo1zeydCSE3Rdhm2bqPHV3jJ4EhpJZgRSLC2RMTN5r8ySYf

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