Transaction not yet indexed

Nk4UTE5ScVg8tnEdPQBkXZn4KCQNspKE5kcFmABHMAiSdZQpohoZA87EVEHyN2qBV5jAPtDC6ThEJfS8cCeZmo3

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