Transaction not yet indexed

491sPqfWW5E9FajT5UCnjJKk8edEasjaW6Xbmi5zDkbKZPWqqyaesBbExu8uBFQwPHhqMmG4EGA2GVu6pTCTLC9z

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