{ "receiverId": "g_Ab3Xy9Mn4Kp8", "messageKey": "k8m3n9p2q5r7" }
{ "code": 1, "message": "获取已读状态成功", "data": { "total": 50, "readCount": 35, "readUsers": [ { "userId": "user_123", "readTime": "2024-01-01T12:05:00Z" }, { "userId": "user_456", "readTime": "2024-01-01T12:03:00Z" } ] } }