set Middle Name Match
string example: N Valid values are:
Y : The system will do a fuzzy match between the middleName submitted in the request against the middleName extracted from the ID Document. N : The system will NOT match the middleName submitted in the request against the middleName extracted from the ID Document. E : The system will do an exact match between the middleName submitted in the request against the middleName extracted from the ID Document. Enum: Y, N, E