Transaction not yet indexed

Mndg9QRkhKaaZEo5AwYz7jjfqe1gtrXNGPJLKe3L76L3hfNksmz5LEV9b1RRVJd4sYpJdR5FhC7aEh6Dv7pcSAG

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