Transaction not yet indexed

5b91mFtmJjShqf2mDuHA8TC5ioexYhGiCbfYStZF3jamhF1q9UZo9oERStEPTTpsUt3oKSNYUMhuz72z9vGH3TLX

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