Transaction not yet indexed

Nk8AH2YU6ZLEMNKVN1zv59YxXLkfysWzofg8tdBeUvw7ktQe6a8UcbbkVhrFmCMdHAqsT5swzKRHXKCcJcBjnkY

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