Parse Json file in MongoDB using Spring Data Java

Question

this problem only occurs when I get the data from the database, the application is replacing the _ with . this only happens when I get the record from the database

data in database

[{"nombre": "pablo", "pais(codigo)": "52", "telefono": "", "saldo_total": "10"}, {"nombre": "pablo", "pais(codigo)": "52", "telefono": "", "saldo_total": "10"}]

entity in java code

@EnableMongoRepositories
@Document(collection = "data")
public class DataEntity extends BaseMongoEntity {
    @Id
    private String id;
    @Field(value = "company_id")
    private int companyId;
    private String name;
    private String url;
    private List<String> variables;
    private List<Object> info;

    public DataEntity() {
        super();
        // TODO Auto-generated constructor stub
    }

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public int getCompanyId() {
        return companyId;
    }

    public void setCompanyId(int companyId) {
        this.companyId = companyId;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
    
    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }

    public List<String> getVariables() {
        return variables;
    }

    public void setVariables(List<String> variables) {
        this.variables = variables;
    }


    public List<Object> getInfo() {
        return info;
    }

    public void setInfo(List<Object> info) {
        this.info = info;
    }

}

query to find the record in database

public DataEntity findById(String id) {
        ObjectId idO  = new ObjectId(id);
        Query query = new Query(Criteria.where("_id").is(idO));
        return mongoTemplate.findOne(query, DataEntity.class);
    }

image of data obtained in object format

only happens when the record is obtained but not when saving data in the database.