Transaction not yet indexed

Mu6RsoKykpURo9WSc8uKRF9V26bRB7wFChaSpzgzwmCM8hVWxvfcpLBoJT8QGACzFzk5tCoUCJaJNQSnwC4vhYA

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