Transaction not yet indexed

5Ff6FhQuPH9TtzEgUppHEGL7oAzQYzvonHr63yzY3vHvfSt8H7yz7J3pFkiZVzPYcVVATUDevTUW7Tb6EF7tU6Pj

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