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It is possible to set custom JSON serializer for hibernate.

Here is example:

```
@Configuration
public class JsonHibernatePropertiesCustomizerConfig {
    @Bean
    HibernatePropertiesCustomizer customizer(ObjectMapper objectMapper) {
        return map -> map.put(AvailableSettings.JSON_FORMAT_MAPPER,
            new JacksonJsonFormatMapper(objectMapper));
    }
}
```