Changes to Retrieve account information.

added the optional property account/is_first_time_deposit to the response with the 200 status

added the optional property account/signup_date to the response with the 200 status

the response's body type changed from object to no type for status 400

the data response's property type changed from null to object for status 500

the data response's property type changed from string to string object for status 400

added the new BRL enum value to the account/currency response property for the response status 200

added the non-success response with the status 401

added the non-success response with the status 403

added the optional property account/bonus_balance to the response with the 200 status