Transaction not yet indexed

n19NPHMVP8p6d7qcQLW7kcA8G7hy6aWqMhkrBeU59Bp3vV2F9UMnt2Xh4SUSSJjsFBtJhJ3JGzyP6NW3G4VKmf8

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