bvn

string, The bvn that passed the verification.
The format is an 11-digit number starting with 22, such as (221xxx22222).

firstName

string, The first name.

middleName

string, [Optional], The middle name.

lastName

string, The last name.

gender

string, MALE or FEMALE.

birthday

string, The birthday. Format：yyyy/MM/dd.

phoneNumber

string, [Optional] The phone number.

phoneNumber2

string, [Optional] The second phone number.