Transaction not yet indexed

Knkh21HzP3ADF3FNZixKWuAsfe2f19nC1b9fjtx2JGwgbNoKaXGZ6ZBzpo3BtpqdPcsjDCDcHignE755oadMJmh

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