Transaction not yet indexed

NUKZjJWSfLx15tZS17roZXuM2nxJgkRKWfsmC6qTjg6gJVpNgbbqJmLpVS1UxEujdP1zJXZqjLCdSH3z5LaY6Jx

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