Transaction not yet indexed

1RSimphNdNgzrgXBTZ11PGFtjMitJeLEqQRfSK2toLnusZpbkE9s38CfmEwvY12u6vgNgv9SQYhqnABJW7acQHh

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