@Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (Objects.isNull(o) || getClass() != o.getClass()) {
            return false;
        }
        WebsocketData<?> that = (WebsocketData<?>) o;
        return Objects.equals(groupType, that.groupType) && Objects.equals(eventType, that.eventType) && Objects.equals(data, that.data);
    }
set data.

@param data data
@return this
shenyu-common/src/main/java/org/apache/shenyu/common/dto/WebsocketData.java