feat(FR-1562): Setup Relay Subscription Environment

[yomybaby]

resolves #NNN (FR-MMM)

Checklist: (if applicable)

• Documentation
• Minium required manager version
• Specific setting for review (eg., KB link, endpoint or how to setup)
• Minimum requirements to check during review
• Test case(s) to demonstrate the difference of before/after

[yomybaby]

• feat(FR-1562): Setup Relay Subscription Environment #4423 👈 (View in Graphite)
• main

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