public interface AuthApi
retrofit2.Call<okhttp3.ResponseBody>
auth(okhttp3.RequestBody body)
signIn(okhttp3.RequestBody body)
@POST(value="/api/v1/did/sign_in") retrofit2.Call<okhttp3.ResponseBody> signIn(@Body okhttp3.RequestBody body)
@POST(value="/api/v1/did/auth") retrofit2.Call<okhttp3.ResponseBody> auth(@Body okhttp3.RequestBody body)