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JsonNode node = Json.toJson(parameters);


and use annotation on object:

@JsonIgnoreProperties(value = {"id", "version"}) //ignore properties
public class Parameter extends Model {

    public Long id;
    public Long version;

    @JsonProperty(value = "parameterName") //change name in generated Json
    public String name;

    public String value;

    public ParameterSection section;
}