feat: Entity validation using actions

[Eyobyb]

Description

This PR is focused on creating an action for validating entity.

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Maintenance
• New release

Development

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• All tests related to the changed code pass in development (make test)
• The changes generate no new warnings (or explain any new warnings and why they're ok)
• Commit messages are detailed
• Changed code is self-explanatory and/or I added comments
• I updated the documentation (docstrings, /docs)
  See the testing guidelines for help on tests, especially those involving web services.

Code review

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• I have performed a self-review of my code
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[20001LastOrder]

Just small comments. Otherwise, it looks good to me

[20001LastOrder]

LGTM