feat(accounts): Add message server and query server logic.

[testinginprod]

Description

Closes: #17615

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Author Checklist

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• confirmed the correct type prefix in the PR title
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[github-actions]

@testinginprod your pull request is missing a changelog!

[tac0turtle]

overall LGTM, the api is simple to understand. Lets wait for another review prior to merging