fix: metadata string encoding

[giladgd]

Description of change

• fix: metadata string encoding
• fix: Vulkan parallel decoding
• fix: try auth token on 401 response
• docs: typos

Fixes #418

Pull-Request Checklist

• Code is up-to-date with the master branch
• npm run format to apply eslint formatting
• npm run test passes with this change
• This pull request links relevant issues as Fixes #0000
• There are new or updated unit tests validating the change
• Documentation has been updated to reflect this change
• The new commits and pull request title follow conventions explained in pull request guidelines (PRs that do not follow this convention will not be merged)

[github-actions]

🎉 This PR is included in version 3.4.2 🎉

The release is available on:

• v3.4.2
• npm package (@latest dist-tag)
• GitHub release
• v3.4.2

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