Transaction not yet indexed

5ffCUwEMYPNDns5dKYJuQrpaef1gBcAorbJZJ3q67fzWA437cneZU3RpXRJ3VP1dBtXAvicVo1REgmL1NXajtb9u

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