@Entity
@Audited
public class Novation {

    .........

    @ElementCollection(fetch=FetchType.EAGER)
     @CollectionTable(name="nvNovation_Params", joinColumns=@JoinColumn(name = "nvNovation_Id"))
    @MapKeyColumn(name="params_KEY")
    private Map<String, ParamValue> params = new HashMap<String, ParamValue>();
     
    ......... 

}    
    
    @Embeddable
    public final class ParamValue implements Serializable {    
    
    @Column(name="value")
    private String value;

    public String getValue() {
         return value;
    }

    public void setValue(String value) {
        this.value = value;
    }

}

  
List<Object[]> rawResults = auditReader.createQuery()
                 .forRevisionsOfEntity(Novation.class, false, false)
                .add(AuditEntity.id().eq(id))
                .getResultList();

select
        nvnovation0_.Revision as Revision1_3_,
        nvnovation0_.OriginalId.RevType as OriginalId2_3_,
        nvnovation0_.nvNovation_Id as nvNovation_Id3_3_,
         nvnovation0_.params_KEY as params_KEY4_3_,
        nvnovation0_.value as value5_3_
    from
        nvNovation_ParamsAudit nvnovation0_
    where
        nvnovation0_.nvNovation_Id=?
        and nvnovation0_.Revision=(
             select
                max(nvnovation1_.Revision)
            from
                nvNovation_ParamsAudit nvnovation1_
            where
                nvnovation1_.Revision<=?
                and nvnovation0_.nvNovation_Id=nvnovation1_.nvNovation_Id
                 and nvnovation0_.value=nvnovation1_.value
                and nvnovation0_.params_KEY=nvnovation1_.params_KEY
        )
        and nvnovation0_.OriginalId.RevType<>?