Transaction not yet indexed

mkFYUPqWgaYBsvDYPsvH1UpBZPkdyZdCayowYLuT6QPc8dkmNbixSQSn2aXaCPp5wh4m7e615SgdTLwf8SMNBy2

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