...
- Search for approval by patient_id + approval_id
- Validate person by patient.id
- In case error return 404 (message "Person not found")
- Validate approval by approval.id
- In case error return 404 (message "Approval with such id is not found")
- Validate person by patient.id
- send Send SMS with OTP-code to persons person_authentication_method.phone_number