Transaction not yet indexed

Q9UKNbjFDhC3soTSEeJqcWMLJY8ZnqFQFaf8Lkiw2eej9D6YFmHZDHxLPncbNSDXiZs7DCinz83YfpjX7LN7ZT5

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