public static DataProxyClusterDTO getFromJson(@NotNull String extParams) {
        try {
            return JsonUtils.parseObject(extParams, DataProxyClusterDTO.class);
        } catch (Exception e) {
            throw new BusinessException(ErrorCodeEnum.CLUSTER_INFO_INCORRECT.getMessage() + ": " + e.getMessage());
        }
    }
Get the dto instance from the JSON string.
inlong-manager/manager-pojo/src/main/java/org/apache/inlong/manager/pojo/cluster/dataproxy/DataProxyClusterDTO.java