anchor.diff:  }
   < 201
   {
  -    "identifyingFields": 
  +    "identifying_factors": 
       [
           {
               "fieldKey": "member_first_name",
  
positive.code: < 200
  < Content-Type: application/json;charset=utf-8
  {
      "identifyingFields":
      [
          {
              "fieldKey": "member_first_name",
              "name": "First Name",
              "validation": "^[A-Za-z]{3,15}$",
              "description": "Field description"
              "links": {
                  "self": {
                      "href": "https://sandbox.lcp.points.com/lps/{lpID}/mv-md/9876"
                      }
                  }
          },
          {
              "fieldKey": "member_last_name",
              "name": "Last Name",
              "validation": "^[A-Za-z]{3,15}$",
              "description": "Field description"
              "links": {
                  "self": {
                      "href": "https://sandbox.lcp.points.com/lps/{lpID}/mv-md/46724"
                      }
                  }
          }
      ]
      "authenticatingFields":
      [
          {
              "fieldKey": "member_password",
              "name": "Password",
              "description": "Password"
              "validation": "^[A-Za-z0-9]{8,16}$"
              "links": {
                  "self": {
                      "href": "https://sandbox.lcp.points.com/lps/{lpID}/mv-md/9876"
                      }
                  }
          }
          ]
      "links": {
          "self": {
              "href": "https://sandbox.lcp.points.com/lps/{lpID}/mv-md"
          }
          "member-validations":
          {
              "href": "https://sandbox.lcp.points.com/lps/{lpID}/mv"
          }
      }
  }
  
negative.code: mvType field refers to the type of MV requested, which will set the expiry on the MV
  </br>If invalid fields are passed, return a 400 (Bad Request)
  </br>If LP Service is unavailable for any reason, return a 503 (Service Unavailable)
  POST /lps/{lpID}/mvs
  > Content-Type: application/json;charset=utf-8
  > Accepted-Lang: us-en
  > Authorization: MAC id="...", ts="...", nonce="...", mac="..."
  {
      "memberFields": {
  