{
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  "projection": "envoy-agent-v1",
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    "mpn": null,
    "gtins": null,
    "handle": "gm-shure-sm57-cardioid-dynamic-microphone-genuine-shure-sm57-new-foam-car-f7c42948",
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    "catalog_product_id": "product_e285a982f7c42948",
    "lane": "studio",
    "product_object": "dynamic microphone"
  },
  "offer": {
    "price": 100.0,
    "currency": "CAD",
    "available": true,
    "condition": "Very Good",
    "price_band": "entry",
    "source_verified_at": null
  },
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  "connectivity": ["xlr"],
  "power": null,
  "included_items": null,
  "required_accessories": null,
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": null,
    "who_should_skip": null,
    "fit_notes": null,
    "watchouts": null,
    "verification_questions": null
  },
  "retrieval": {
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    "agent_summary": null,
    "intent_terms": null,
    "use_cases": ["live-performance","studio-recording","practice"],
    "skill_level": "beginner"
  },
  "trust": {
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    "source_count": 0,
    "source_tier_mix": null,
    "evidence_flags": null,
    "spec_provenance": {"specifications":{"source_url":"https:\/\/www.shure.com\/en-US\/docs\/guide\/sm57","method":"gear_universe_read_model","fetched":"2026-07-30"}}
  },
  "related": {
    "similar_item_ids": null,
    "comparison_reasons": null
}
}