Transaction not yet indexed

MTG18sS8MKKuVVKzvqtk2N2JvHfkeDkh1C6Qfh4qxgvQc8RgFFEXxN6f1wcYvQvFqfrYLrAxQeZqJ6CDbcEr9mX

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