[Authorize(AuthenticationSchemes = "your_scheme_name")]
public class AccountController : Controller
{
 // any action of this Controller is identity required
}

[Authorize(AuthenticationSchemes = Consts.AuthenticationScheme)]
[HttpPost]
public async Task<IActionResult> yourAction([FromForm] string refreshToken)
{
  // ...
  return Ok("I am sign in");
}