{
"jwtToken" : "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJkYXRhIjoxOSwiaWF0IjoxNjY5MTgxMzQ1LCJleHAiOjE2NzE3NzMzNDUsImlzcyI6ImFkbWluIiwic3ViIjoiYWNjZXNzVG9rZW4ifQ.dvHAlqCKLEpOa1sF_u-V0xp1qnswG_NeocDzJ31ioKo"
}
{
statuscode 400일 때 아래 주소 check
https://developers.kakao.com/docs/latest/ko/reference/rest-api-reference#error-code-kakaologin
}