_dispatcher = [WebSocketRailsDispatcher.alloc initWithUrl:[NSURL URLWithString:@"ws://localhost:3001/websocket"]];

WebSocketRailsChannel *testChannel = [_dispatcher subscribe:[NSString stringWithFormat:@"user_%@", @([[VRTProfile currentUser] profileId])]];

[testChannel bind:@"new_notification" callback:^(id data) {
    NSLog(@"new_notification : %@", data);
}];

[testChannel bind:@"update_notification" callback:^(id data) {
    NSLog(@"update_notification : %@", data);
}];