Transaction not yet indexed

Mkf4XzCkGSE12vtvxGHkEhfQLUkun1WS66aqKsAi4ZL64FitfMQCDQfVaZtha41Z7EELg2efEsDEYbVueHTNL1o

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