contactpb.GetQRCodeResponse

{
    "base_response": {
        "code": 0,
        "message": {
            "value": "string"
        }
    },
    "footer_wording": "string",
    "notify_wording": "string",
    "qrcode_buffer": {
        "data": [
            0
        ],
        "size": 0
    },
    "qrcode_url": "string",
    "revoke_qrcode": 0
}