How to Handle Two Different Response in Retrofit

Question

I followed this to POST Data Using Retrofit2

I Used JSON POJO to Parse my POST and GET files

So Here If Data inside the Records Is there I will get This Kind

Answer 1

class Response {
        private String status;
        private T response;

        private boolean isSuccess() {
            return status.equals("200");
        }
    }

    class ListData {
        private String cnt_id;
        private String phn_no;
        private String dat_cnt;
    }

    class Error {
        private String msg;
    }

    public class MainResponse {
        @SerializedName("Error")
        private Error error;
        @SerializedName("AuthenticateUserResponse")
        private List listData;
    }

@POST("listData")
Call> listData();