Transaction not yet indexed

TkKMk1hyU2TDVBvg9g4db7zG9v7LkKKu1pgphxjymb9tTqgSuuG7TRSiF5jYwPSCAsBNBoYXdAvNHbgPf4i66on

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