public MessageTokensAddedEvent(MessageTemplate message, LiquidObject liquidObject)
 {
     _message      = message;
     _liquidObject = liquidObject;
 }
 public EntityTokensAddedEvent(T entity, Drop liquidDrop, LiquidObject liquidObject)
 {
     _entity       = entity;
     _liquidDrop   = liquidDrop;
     _liquidObject = liquidObject;
 }