Transaction not yet indexed

542HXBU7TKTg2WMDx6b8PRbnc17KCbdMvCXAA6S5VgUbRDEdXdvy2nu9aqKrPrvMy67ge6k5nSZuQdGCSPVMYMou

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