Transaction not yet indexed

Nk988PvZYPrV74FDEn33yA7cFhWG8aaS49bWbWv5o7tTVuu4wVVHefyDU9pNsEyKQaPZ65Nd4GwjWqNCU621FMJ

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