Transaction not yet indexed

MkQNFSSQfFWpzS45TcSirYmsU98zzpSH8CRe71USaBYd5TbEkjdUeSN6Z2xLSVGGfZ1Yb5RdwqA3B6SDuyp1G5F

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