Attach context with vocabularies to a schema.

schema-context.json

{
  "@context": {
    "@base": "http://api.example#",
    "@vocab": "http://w3id.org/italia/onto/CPV/",
    "id_pratica":"@id",
    "documento_richiesto": {
      "@id": "hasEducationLevel",
      "@type": "@id",
      "@context": {
        "@base": "http://w3id.org/italia/controlled-vocabulary/classifications-for-people/education-level"
      }
    },
    "given_name": "givenName",
    "tax_code": "@id",
    "date_of_birth": "dateOfBirth",
    "birth_place": {
      "@id": "hasBirthPlace",
      "@context": {
        "@vocab": "http://w3id.org/italia/onto/CLV/",
        "city": "hasCity",
        "province": {
          "@id": "hasProvince",
          "@type": "@id",
          "@context": {
            "@base": "https://w3id.org/italia/data/identifiers/provinces-identifiers/vehicle-code/"
           }
        }
    }
    }
  },
  "id_pratica": "12345",
  "documento_richiesto": "NED",
  "richiedente": {
    "given_name": "Roberto",
    "family_name": "Polli",
    "tax_code": "PLLRRT",
    "date_of_birth": "2020-12-12",
    "birth_place": {
      "city": "Latina",
      "province": "LT"
    }
  },
  "soggetto": {
    "tax_code": "MRORSS",
    "given_name": "Mario",
    "family_name": "Rossi"
  }
}