_patch(data) {
        /**
         * ID that represents the groupNotification
         * @type {object}
         */
        this.id = data.id;

        /**
         * Extra content
         * @type {string}
         */
        this.body = data.body || '';

        /** 
         * GroupNotification type
         * @type {GroupNotificationTypes}
         */
        this.type = data.subtype;
        
        /**
         * Unix timestamp for when the groupNotification was created
         * @type {number}
         */
        this.timestamp = data.t;

        /**
         * ID for the Chat that this groupNotification was sent for.
         * 
         * @type {string}
         */
        this.chatId = typeof (data.id.remote) === 'object' ? data.id.remote._serialized : data.id.remote;

        /**
         * ContactId for the user that produced the GroupNotification.
         * @type {string}
         */
        this.author = typeof (data.author) === 'object' ? data.author._serialized : data.author;
        
        /**
         * Contact IDs for the users that were affected by this GroupNotification.
         * @type {Array<string>}
         */
        this.recipientIds = [];

        if (data.recipients) {
            this.recipientIds = data.recipients;
        }

        return super._patch(data);
    }
Represents a GroupNotification on WhatsApp
@extends {Base}