Transaction not yet indexed

yiUNDS8mQXYj5qDmoozpN1Y6mtsckDQ1hZb9aVzoAyC6g3tot3pdknaPWs6VyxaXXQvJGh8tEJZTW1vt8qtjoM9

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