Transaction not yet indexed

28n9aMmn6C6JVLNtgeFp3hxG7gEwEgWWzgpw1ybHzKd6rSZmCsV1ujkXGZ4rFKTG9ZFgHXpDZfM1dgdqbgsaX7x2

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