Transaction not yet indexed

5ffMC3nHEzNmxXFhBUtqqL2L9JkHX1ogkr3vp8mJzA3v17bzSWV7kEWYWf7VdYpzqQj2rDGfMhJq3WPWC7yF13NT

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