ChildrenBlock.cs

public class ChildrenBlock : ViewComponent
{
    private readonly IViewModelBinder _viewModelBinder;

    public ChildrenBlock(IViewModelBinder viewModelBinder)
    {
        _viewModelBinder = viewModelBinder;
    }

    public async Task<IViewComponentResult> InvokeAsync()
    {
        return View(
          "~/Views/Shared/Components/SitecoreComponent/ChildrenBlock.cshtml",
          await _viewModelBinder.Bind<ChildrenBlockModel>(this.ViewContext));
    }
}