Convertir mon Class avec des attributs many to one et one to many to json

je veut ecrire cette class en json pour tester un web service voici les attributs de mon class, quoi faire avec les attributs many TO One et One To Many

Code:

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@Id
	private int id;
 
	private String civiliteDest;
 
	private int cpDest;
 
	@Temporal(TemporalType.DATE)
	private Date dateCreation;
 
	private String delegationDest;
 
	private String description;
 
	private String emailDest;
 
	private String nomDest;
 
	private String nomRueDest;
 
	private int numMaisonDest;
 
	private String paysDest;
 
	private String prenomDest;
 
	private String raisonSocial;
 
	private int tarif;
 
	private int telDest;
 
	private String typeContenu;
 
	private String villeDest;
 
	//bi-directional many-to-one association to Abonne
	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name="Abonne")
	@JsonBackReference
	private Abonne abonneBean;
 
	//bi-directional many-to-one association to Poid
	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name="intervallePoids")
	@JsonBackReference
	private Poid poid;
 
	//bi-directional many-to-one association to Service
	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name="Service")
	@JsonBackReference
	private Service serviceBean;
 
	//bi-directional many-to-one association to Agence
	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name="AgenceDepot")
	@JsonBackReference
	private Agence agence;
 
	//bi-directional many-to-one association to Evennement
	@OneToMany(mappedBy="envoi",cascade = { CascadeType.ALL,CascadeType.PERSIST,CascadeType.MERGE },fetch = FetchType.EAGER)
	@JsonManagedReference 
	private List<Evennement> evennements;