List conversation messages

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                "content": "Here are some photos and the directions for pick up.",
                "date": "2019-07-24T22:29:10",
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                "message_id": 10199633,
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                "subject": "Dining Table and 4 Chairs",
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            "content": "Here are some photos and the directions for pick up.",
            "date": "2019-07-24T22:29:10",
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