registrationValidatePhoneNumber
Sends the verification code to the server to verify the user's phone number. Returns the updated validation state of the user's number.
The following errors may be returned: BAD_USER_INPUT - if the code doesn't match the desired code from this transactionId. EXPIRED - if the time frame to enter the code has expired, OR too many attempts have been made. NOT_FOUND - if the transactionId wasn't a previous return value from registrationSendPhoneValidation
registrationValidatePhoneNumber(
input: RegistrationValidatePhoneNumberInput!
): RegistrationValidatePhoneNumberPayload!