Transaction not yet indexed

MKCgth3f3i3cLofGRwnfK6bArQuS5voq6FtWhW35iFB8H8TSubmtGdo2bvYnBXpGc3n9iZj8ezaT6ZzvanCTqHF

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