{
  "$type": "social.coves.interaction.comment",
  "subject": "at://did:plc:author123/social.coves.post.record/3k7a3dmb5bk2c",
  "content": {
    "$type": "social.coves.interaction.comment#textContent",
    "text": "Great post! I especially liked the part about @alice.example.com's contribution to the project.",
    "facets": [
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          "byteEnd": 64
        },
        "features": [
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            "$type": "social.coves.richtext.facet#mention",
            "did": "did:plc:aliceuser123"
          }
        ]
      }
    ]
  },
  "createdAt": "2025-01-09T16:30:00Z"
}