{
"job_id": 123,
"otherid": "12344B",
"myID": "asdfgasdg234234",
"country_code": "DE",
"event": [
  {
    "sometime": "2018-04-21T15:45:59.999Z",
    "some_id": 1,
    "content": {
      "product": "B5",
      "pdf_link": "https://myhost.com/pdfFile.pdf"
      }
   }]
}

@Autowired
JobRepository jobRepo;

@PostMapping("/jobs")
public Job create(@RequestBody Job job) {
    return jobRepo.save(job);
}

import lombok.Getter;
import lombok.Setter;

@Entity
@EntityListeners(AuditingEntityListener.class)
public class Job extends BaseDB{

    @Getter
    @Setter
    @Column(name="Job_ID")
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @JsonProperty("job_id")
    int jobID;

    @Getter
    @Setter
    @NotNull
    @OneToMany(fetch = FetchType.LAZY, mappedBy = "job")
    @JsonProperty("event")
    List<Event> events;
}

import lombok.Getter;
import lombok.Setter;

@Entity
@EntityListeners(AuditingEntityListener.class)
public class Event extends BaseDB {

    @Getter
    @Setter
    @Column(name="Event_No")
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    int eventNo;

    @Getter
    @Setter
    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "JOB_ID", nullable = false)
    @JsonIgnore
    Job job;
}

@Repository
public interface JobRepository extends CrudRepository<Job, Long>

@Repository
public interface EventRepository extends CrudRepository<Event, Long>