Function getDefaultNetContext

Returns {
    authMode: AuthMode;
    getExecutor: (relays: string[]) => Executor;
    isDeleted: (url: string, event: TrustedEvent) => boolean;
    isValid: (url: string, event: TrustedEvent) => boolean;
    matchFilters: (
        url: string,
        filters: Filter[],
        event: TrustedEvent,
    ) => boolean;
    onEvent: (url: string, event: TrustedEvent) => void;
    optimizeSubscriptions: (subs: Subscription[]) => RelaysAndFilters[];
    pool: Pool;
    signEvent: (event: StampedEvent) => Promise<any>;
}