Update subscriber online status

export interface Response {
  /**
   * The internal ID generated by Novu for your subscriber. This ID does not match the `subscriberId` used in your queries. Refer to `subscriberId` for that identifier.
   */
  _id?: string;
  /**
   * The first name of the subscriber.
   */
  firstName?: string;
  /**
   * The last name of the subscriber.
   */
  lastName?: string;
  /**
   * The email address of the subscriber.
   */
  email?: string | null;
  /**
   * The phone number of the subscriber.
   */
  phone?: string;
  /**
   * The URL of the subscriber's avatar image.
   */
  avatar?: string;
  /**
   * The locale setting of the subscriber, indicating their preferred language or region.
   */
  locale?: string;
  /**
   * The identifier used to create this subscriber, which typically corresponds to the user ID in your system.
   */
  subscriberId: string;
  /**
   * An array of channel settings associated with the subscriber.
   *
   * @minItems 0
   */
  channels?: ChannelSettingsDto[];
  /**
   * @deprecated
   * An array of topics that the subscriber is subscribed to.
   *
   * @minItems 0
   */
  topics?: string[];
  /**
   * Indicates whether the subscriber is currently online.
   */
  isOnline?: boolean;
  /**
   * The timestamp indicating when the subscriber was last online, in ISO 8601 format.
   */
  lastOnlineAt?: string;
  /**
   * The unique identifier of the organization to which the subscriber belongs.
   */
  _organizationId: string;
  /**
   * The unique identifier of the environment associated with this subscriber.
   */
  _environmentId: string;
  /**
   * Indicates whether the subscriber has been deleted.
   */
  deleted: boolean;
  /**
   * The timestamp indicating when the subscriber was created, in ISO 8601 format.
   */
  createdAt: string;
  /**
   * The timestamp indicating when the subscriber was last updated, in ISO 8601 format.
   */
  updatedAt: string;
  /**
   * The version of the subscriber document.
   */
  __v?: number;
  /**
   * Additional custom data for the subscriber
   */
  data?: {
    [k: string]: unknown;
  } | null;
  /**
   * Timezone of the subscriber
   */
  timezone?: string;
}
export interface ChannelSettingsDto {
  /**
   * The provider identifier for the credentials
   */
  providerId:
    | "slack"
    | "discord"
    | "msteams"
    | "mattermost"
    | "ryver"
    | "zulip"
    | "grafana-on-call"
    | "getstream"
    | "rocket-chat"
    | "whatsapp-business"
    | "fcm"
    | "apns"
    | "expo"
    | "one-signal"
    | "pushpad"
    | "push-webhook"
    | "pusher-beams";
  /**
   * The integration identifier
   */
  integrationIdentifier?: string;
  /**
   * Credentials payload for the specified provider
   */
  credentials: ChannelCredentials;
  /**
   * The unique identifier of the integration associated with this channel.
   */
  _integrationId: string;
}
export interface ChannelCredentials {
  /**
   * Webhook URL used by chat app integrations. The webhook should be obtained from the chat app provider.
   */
  webhookUrl?: string;
  /**
   * Channel specification for Mattermost chat notifications.
   */
  channel?: string;
  /**
   * Contains an array of the subscriber device tokens for a given provider. Used on Push integrations.
   *
   * @minItems 0
   */
  deviceTokens?: string[];
  /**
   * Alert UID for Grafana on-call webhook payload.
   */
  alertUid?: string;
  /**
   * Title to be used with Grafana on-call webhook.
   */
  title?: string;
  /**
   * Image URL property for Grafana on-call webhook.
   */
  imageUrl?: string;
  /**
   * State property for Grafana on-call webhook.
   */
  state?: string;
  /**
   * Link to upstream details property for Grafana on-call webhook.
   */
  externalUrl?: string;
}