- Node v14. opensea-js doesn't work with v16
- Alchemy and Opensea API keys
- Private key for your account. See https://metamask.zendesk.com/hc/en-us/articles/360015289632-How-to-Export-an-Account-Private-Key
The default ASSET is set as the Fractional ERC-1155 factory so it will work for all Fractional related ERC-1155s. Override it in your command if you're using a non-Fractional minted ERC-1155.