@JsonIgnoreProperties(ignoreUnknown = true)
public class EventDeserializer extends JsonDeserializer<Event> {

    @Override
    public Event deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
        JsonNode jsonNode = jsonParser.getCodec().readTree(jsonParser);
        System.out.println(jsonNode.get("name"));
        System.out.println(jsonNode.get("date"));
        return null;
    }
}