Transaction not yet indexed

MKCxzbfb6YZuvjjtkQrfzs2o29apkAamjmgNiCQrVRSHk2CJbEFSCJvvjcdzdEdAzySgNMWkCUd5uEkLH25qcUS

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