Get a single Sales Applicant

{
  "data": {
    "attributes": {
      "name": "Dave Smith & Helen Bloggs",
      "financial_position": "Agreement in Principle in place",
      "buying_position": "Property to sell",
      "requirements": {
        "property_type_preference": {
          "house": "Don't Mind",
          "flat": "Might Consider",
          "semi_detached": "Would Prefer"
        },
        "new_property_type_preference": {
          "house": "Don't Mind",
          "flat": "Might Consider",
          "semi_detached": "Would Prefer"
        },
        "areas": [
          "Ellesmere Park"
        ]
      }
    },
    "relationships": {
      "branch": {
        "data": {
          "id": "a827a3ae-4c74-4c32-8b42-42248d4010d3"
        }
      },
      "viewings": {
        "data": [
          {
            "id": "a827a3ae-4c74-4c32-8b42-42248d4010d3"
          }
        ]
      },
      "offers": {
        "data": [
          {
            "id": "a827a3ae-4c74-4c32-8b42-42248d4010d3"
          }
        ]
      },
      "people": {
        "data": [
          {
            "id": "a827a3ae-4c74-4c32-8b42-42248d4010d3"
          }
        ]
      },
      "notes": {
        "data": [
          {
            "id": "a827a3ae-4c74-4c32-8b42-42248d4010d3"
          }
        ]
      },
      "sales": {
        "data": [
          {
            "id": "a827a3ae-4c74-4c32-8b42-42248d4010d3"
          }
        ]
      },
      "followUps": {
        "data": [
          {
            "id": "a827a3ae-4c74-4c32-8b42-42248d4010d3"
          }
        ]
      }
    }
  },
  "included": [
    {
      "attributes": {
        "address": {
          "single_line": "19 Lansdowne Road, Monton, Manchester",
          "anon_single_line": "Lansdowne Road, Monton, Manchester",
          "building_number": "19",
          "line_1": "19 Lansdowne Road",
          "line_2": "Monton",
          "line_3": "Manchester",
          "town": "Manchester",
          "country": "United Kingdom",
          "postcode": "M30 9PA",
          "udprn": "28327204",
          "geo": {
            "lat": 0.2365698,
            "lng": 53.023654
          }
        }
      }
    }
  ]
}