// When serializing entity JSON for events, we want to use a reduced number
// of fields nested objects, so enable the event and API HATEOAS filters:
SimpleFilterProvider filterProvider = new SimpleFilterProvider();
filterProvider.setFailOnUnknownId(false);
filterProvider = filterProvider.addFilter("PoolFilter",
new PoolEventFilter());
filterProvider = filterProvider.addFilter("ConsumerFilter",
new HateoasBeanPropertyFilter());
filterProvider = filterProvider.addFilter("EntitlementFilter",
new HateoasBeanPropertyFilter());
filterProvider = filterProvider.addFilter("OwnerFilter",