Transaction not yet indexed

NNG6igeRwnmvwCSttDmqsxMdQrpwhwD9PCQujHpopVJe31xBDqcBfKLR9Wyuianu1xXAgbbRRFvDRdZX8Y9rGWM

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