Any suggestions what values to be used here?

[p.s]

You may find the nightly docs more helpful.

If you could share a link to your repository, I may be able to assist further

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Just found the following post you might find useful!

Ownership of native assets

It’s up to the developer! If the contract only creates a single token, we expect the SubId will often be 0 For NFTs, the SubIds might be sequential In the case of “vault” type tokens, the subId might be the AssetId of the underlying asset ENS-style naming applications might use a namehash-type algorithm You can even use asset sub-ids to represent contract state! Pass some state into the asset subId, and you can then reconstruct the assetId in a separate contract or predicate to prove state (I…