Transaction not yet indexed

5mkdc4FrCgiUdwtCKHEuiDs8VSBqYPeJpQk71A8nQJGAd1tyzwLbcCjtG6xbhKUFF8dwPb9QGM1GSP6C6zAjwT56

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