Transaction not yet indexed

AC99QEGzGWk9MhiVsKX7YoZPuqdSx8wWYUhgFRb7y5U1uFdmFjXroSCaJyLJAm4RHg6xfTHtkSNLkx7X4jhGydd

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