200 OK is returned only if all validations pass and the session is created successfully.curl --location --request POST '/login/change-mobile-number' \
--header 'Content-Type: application/json' \
--data-raw '{
"national_id": "1234567890",
"new_mobile_number": "966501234567",
"locale": "ar"
}'{
"session_id": "1ffd059c-17ea-40a8-8aef-70fd0307db82",
"customer_id": "160c0c4b-9966-4dc1-a916-8407eb10d74e",
"status": "PENDING_MOBILE_NUMBER_OWNERSHIP_VERIFICATION"
}