anchor.diff:          "seq_no": 1402,
           "code": 51,
           "title": "Information",
  -        "change_indicator": 0,
           "trilateral": 1
       },
       {
           "seq_no": 1470,
           "code": 519,
           "title": "Other Information Services",
  -        "change_indicator": 0,
           "trilateral": 1
       },
       {
           "seq_no": 1471,
           "code": 5191,
           "title": "Other Information Services",
  -        "change_indicator": 0,
           "trilateral": 1
       },
       {
           "seq_no": 1474,
           "code": 51912,
           "title": "Libraries and Archives",
  -        "change_indicator": 0,
           "trilateral": 1
       }
   ]
  
positive.code: < 200
  < Content-Type: application/json
  {
      "seq_no": 1909,
      "code": 62321,
      "title": "Residential Intellectual and Developmental Disability Facilities",
      "change_indicator": 1,
      "trilateral": 1
  }
  
  Get all NAICS codes above in the hierarchy of the requested code.
  
negative.code:         "seq_no": 1403,
          "code": 511,
          "title": "Publishing Industries (except Internet)",
          "trilateral": 1
      },
      {
          "seq_no": 1404,
          "code": 5111,
          "title": "Newspaper, Periodical, Book, and Directory Publishers",
          "trilateral": 1
      },
      {
          "seq_no": 1405,
          "code": 51111,
          "title": "Newspaper Publishers",
          "trilateral": 1
      },
      {
          "seq_no": 1406,
          "code": 511110,
          "title": "Newspaper Publishers",
      },
      {
          "seq_no": 1407,
          "code": 51112,
          "title": "Periodical Publishers",
          "trilateral": 1
      },
      {
          "seq_no": 1408,
          "code": 511120,
          "title": "Periodical Publishers",
      },
      {  ...  }
  ]
  