Transaction not yet indexed

KnUS19b44ySZYyhPAAqACoh9oALZ5hr7kDFjjmmRxkNg2GjfKWJaQiWmnZH2gwGoJUSc3Rm9r8PekTYb2hD3cu6

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