Transaction not yet indexed

6688ya9pF9TiTAFGh9p1UzTUXg1L6CRaqKuEUGmNGbY7zXc2f6DxZUnPfSw7N5JuiG5nZNuHo7ecPNevWHtgU7rJ

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