# we allow escape sequences in strings, if they map back to ASCII
# { 'command': 'fooA', 'data': { 'bar1': 'str' } }
{ 'c\u006fmmand': '\u0066\u006f\u006FA',
  'd\u0061ta': { '\u0062\u0061\u00721': '\u0073\u0074\u0072' } }