Transaction not yet indexed

mmkAtUXoxc6hWKguLjDDPep4bXy5LLTnU52uKWTwCcG6uYFoQmek3QPqt1nBnVTG2ZaLSymGeTg8zYtjZnnB31y

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