public ActionResult <string> RemoveVaultKeep([FromBody] VaultKeep vk)
 {
     try
     {
         string userId = HttpContext.User.FindFirstValue("Id");
         return(Ok(_vks.RemoveVaultKeep(vk, userId)));
     }
     catch (Exception e)
     {
         return(BadRequest(e.Message));
     }
 }