[   
    {
        "sender": 1,
        "receiver": null,
        "text": "Can you buy me a car ?",
        "conversation": "05e81660-3998-4574-be8e-82c0c722b8fa"
    },
    {
        "sender": null,
        "receiver": 1,
        "text": "Which color do you want ?",
        "conversation": "05e81660-3998-4574-be8e-82c0c722b8fa"
    },
    {
        "sender": 1,
        "receiver": null,
        "text": "I want a blue one.",
        "conversation": "05e81660-3998-4574-be8e-82c0c722b8fa"
    }
]