Provides a new access token with the same scope as the one consented to by the resource owner.
OK
{- "refresh_token": "6kuabo4gug8t9h13x7gt43cm",
- "grant_type": "refresh_token"
}
{- "scope": "user.account:read user.profile:read user.profile:update",
- "access_token": "oa_nj1dfhecrs1jwxi0wd0xk49n",
- "token_type": "bearer",
- "expires_in": 3600,
- "user_id": "1234567890"
}