Can I convert a GameObject into an Entity of a baker class?

[olive palm]

I have this Scriptable Object which contains a reference to a Prefab i want to send to my player inventory as an Entity so it can spawn it later.
Since the has object is sent to the inventory when the user clicks a button, this happens inside of a MonoBehaviour that handles what to do when the buttons are clicked.
Is there a way to convert this Prefab to and Entity inside this MonoBehaviour?

The code as it is:

//Inventory
public struct Inventory : IComponentData {
    public NativeList<Entity> Towers;
}

//Upgrade Data
public class TowerData : ScriptableObject {
    //[...]
    [SerializeField] private GameObject towerPrefab;
}

//The monobehaviour
//[...]
inventorySingleton.Towers.Add(_upgradesToChooseFrom[upgradeIndex].TowerPrefab); // this needs to be an Entity
//[...]

Thanks in advance!

[sterile junco]

Conversion is editor only and must be done at compile time in subscenes

if your game is ecs you also shouldn't do any ecs logic via monob

Instead add listener via system