Transaction not yet indexed

NCkubVhhhvFm6Sq7bYuQRFUMm6adL78zq6Moz5bNnYtkPEYM5ibxHQMBaLS4GuyGFqEN3FyzcaBQ6WiWr5MrPDD

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