Transaction not yet indexed

1Ykow1TxEKRxmkcLuifWeKpLKyu4CvNV5zWBb2SCSpyEa4W6Lh3P1Cio3cRDaW7YBv7Zd2nkf1n2WWSQ3Y2z7NP

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