Transaction not yet indexed

PMMXtC8yoJ6NTGXyqwSaeAF2rm39cCxmDTRxxPLgsw6PwcSVkf3HCLWf3jbY6EcLaBK5pw3mytPuiUwSWKnWSd7

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