Transaction not yet indexed

Nf21gFJD7K6UzFedYZKjx1X3U7zNdSm9D41e86PLsEmZnzcXdCL3YDapWmEjvsgKcUdEgrG7WjRz6gvbJ3pSwAC

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