Transaction not yet indexed

NPBkWAmrDru6VVrY4T6AP18y6zPSf1DXEGWGezQxwSagmsg35KS37XXsV9V5motP8vE19Hb8V6o7jhMNMrFaBC2

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