我有以下形式的api响应：

{
    "data": [
        {
            "field1": "string_1",
            "field2": 2,
            "field3": "string_3",
            "field4": "string_4"
        }
    ]
}

也可以为空：

{
    "data": []
}

我以以下方式调用api：

apiResponse = oAuth2RestTemplate.exchange(theURL, HttpMethod.GET, requestEntity, APIResponse.class);

我无法控制配置 oAuth2RestTemplate ，但我可以定义 APIResponse 班级。我应该如何定义它，使上面的行不返回以下异常：

org.springframework.http.converter.HttpMessageConversionException: Type definition error: ... cannot deserialize from Object value (no delegate- or property-based Creator)

到目前为止，我掌握的情况如下：

public class DataElements {
    private String field1;
    private int field2;
    private String field3;
    private String field4;

    // constructor and getters and setters
}

和

@JsonSerialize
@JsonInclude(JsonInclude.Include.NON_DEFAULT)
@JsonIgnoreProperties(ignoreUnknown = true)
public class APIResponse {

    List<DataElements> data;

    // constructor and getters and setters
}