问题 How to validate this object using joi? Im using Joi with Hapi api. { "email":"rambo@gmail.com", "password":"abc123", "active":"", "details": { "firstName": "Rambo", "lastName": "Comando", "phoneNumber": "5554446655", "billing":{ "firstName": "", "lastName": "", "phoneNumber": "", "address": "", "adress2": "", "postalCode": "", "city": "", "state": "", "country": "", "stripeId": "" } } } I tried doing like this, but it is not working. What is the correct way of doing this? payload: { email: