Transaction not yet indexed

Nkub6VrWudr9ZDqPFtMKGhoL3AQRve7cdvReoqtuc8Dw74VcWX6bYHLmxhPQc3HBqaJVjLMTnbPmWPmGmjsFo7Y

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