fix: indexes for better getUserById queries

[sattvikc]

Summary of change

Related issues

Test Plan

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Documentation changes

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Checklist for important updates

• Changelog has been updated
• pluginInterfaceSupported.json file has been updated (if needed)
• Changes to the version if needed
  • In build.gradle
• Had installed and ran the pre-commit hook
• If there are new dependencies that have been added in build.gradle, please make sure to add them in implementationDependencies.json.
• Issue this PR against the latest non released version branch.
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  • If no such branch exists, then create one from the latest released branch.

Remaining TODOs for this PR

• Item1
• Item2