Interface GramAccount

interface GramAccount {
    auth_date?: string;
    chat_instance?: string;
    chat_type?: string;
    hash?: string;
    signature?: string;
    start_param?: string;
    user: {
        allows_write_to_pm?: boolean;
        first_name?: string;
        id: number;
        is_premium?: boolean;
        language_code?: string;
        last_name?: string;
        photo_url?: string;
        username?: string;
    };
}