Transaction not yet indexed

Qf9uaCwy28DP7J5zYHNDv8f8cFNm4VwmngtGrJFDFvCV3UtMiCbwLaNvjEvS4cABQqgRy5pDL9ffXQ6w8ycMqF7

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