curl --request PATCH \
  --url https://api.pricenow.dev/api/booking/products/{productId}/journey/unified-view/items \
  --header 'Content-Type: application/json' \
  --header 'accept-language: <accept-language>' \
  --header 'pratiq-channel-uuid: <pratiq-channel-uuid>' \
  --data '
{
  "items": [
    {
      "id": 123,
      "productVariantId": 123,
      "personId": 123,
      "validity": {
        "from": "<string>",
        "to": "<string>"
      },
      "parentItemId": 123,
      "originatedItemId": 123
    }
  ],
  "mutations": [
    {
      "id": "<string>",
      "value": "<unknown>"
    }
  ]
}
'

{
  "data": {
    "items": [
      {
        "id": 123,
        "productId": 123,
        "title": "<string>",
        "subtitle": "<string>",
        "description": [
          {
            "children": [
              {
                "_type": "<string>",
                "_key": "<string>"
              }
            ],
            "markDefs": [
              {
                "_type": "<string>",
                "_key": "<string>"
              }
            ],
            "style": "<string>",
            "listItem": "<string>",
            "level": 123
          }
        ],
        "shortDescription": "<string>",
        "images": [
          {
            "kind": "image",
            "url": "<string>",
            "alt": "<string>"
          }
        ],
        "price": {
          "listPrice": 123,
          "discountedPrice": 123
        },
        "formElements": [
          {
            "id": "<string>",
            "explanation": "<string>",
            "kind": "dropdown",
            "label": "<string>",
            "options": [
              {
                "label": "<string>",
                "value": "<string>",
                "disabled": true
              }
            ],
            "intent": "attribute",
            "value": "<string>",
            "attributeKey": "<string>"
          }
        ],
        "person": {
          "id": 123,
          "accountId": 123,
          "formDefinition": {},
          "defaultValues": {},
          "values": {},
          "isOwner": true
        },
        "validity": {
          "from": "<string>",
          "to": "<string>"
        },
        "discounts": [
          {
            "discount": 123,
            "label": "<string>"
          }
        ],
        "productVariantId": 123,
        "merchant": {
          "identifier": "<string>",
          "timezone": "<string>"
        },
        "requiredProducts": [
          {
            "id": 123,
            "productId": 123,
            "title": "<string>",
            "subtitle": "<string>",
            "description": [
              {
                "children": [
                  {
                    "_type": "<string>",
                    "_key": "<string>"
                  }
                ],
                "markDefs": [
                  {
                    "_type": "<string>",
                    "_key": "<string>"
                  }
                ],
                "style": "<string>",
                "listItem": "<string>",
                "level": 123
              }
            ],
            "shortDescription": "<string>",
            "images": [
              {
                "kind": "image",
                "url": "<string>",
                "alt": "<string>"
              }
            ],
            "price": {
              "listPrice": 123,
              "discountedPrice": 123
            },
            "formElements": [
              {
                "id": "<string>",
                "explanation": "<string>",
                "kind": "dropdown",
                "label": "<string>",
                "options": [
                  {
                    "label": "<string>",
                    "value": "<string>",
                    "disabled": true
                  }
                ],
                "intent": "attribute",
                "value": "<string>",
                "attributeKey": "<string>"
              }
            ],
            "person": {
              "id": 123,
              "accountId": 123,
              "formDefinition": {},
              "defaultValues": {},
              "values": {},
              "isOwner": true
            },
            "validity": {
              "from": "<string>",
              "to": "<string>"
            },
            "discounts": [
              {
                "discount": 123,
                "label": "<string>"
              }
            ],
            "productVariantId": 123,
            "merchant": {
              "identifier": "<string>",
              "timezone": "<string>"
            },
            "displayPrice": true
          }
        ],
        "optionalProducts": [
          {
            "id": "<string>",
            "type": "checkbox",
            "value": true,
            "isAvailable": true,
            "unavailabilityReason": "<unknown>",
            "product": {
              "id": 123,
              "productId": 123,
              "title": "<string>",
              "subtitle": "<string>",
              "description": [
                {
                  "children": [
                    {
                      "_type": "<string>",
                      "_key": "<string>"
                    }
                  ],
                  "markDefs": [
                    {
                      "_type": "<string>",
                      "_key": "<string>"
                    }
                  ],
                  "style": "<string>",
                  "listItem": "<string>",
                  "level": 123
                }
              ],
              "shortDescription": "<string>",
              "images": [
                {
                  "kind": "image",
                  "url": "<string>",
                  "alt": "<string>"
                }
              ],
              "price": {
                "listPrice": 123,
                "discountedPrice": 123
              },
              "formElements": [
                {
                  "id": "<string>",
                  "explanation": "<string>",
                  "kind": "dropdown",
                  "label": "<string>",
                  "options": [
                    {
                      "label": "<string>",
                      "value": "<string>",
                      "disabled": true
                    }
                  ],
                  "intent": "attribute",
                  "value": "<string>",
                  "attributeKey": "<string>"
                }
              ],
              "person": {
                "id": 123,
                "accountId": 123,
                "formDefinition": {},
                "defaultValues": {},
                "values": {},
                "isOwner": true
              },
              "validity": {
                "from": "<string>",
                "to": "<string>"
              },
              "discounts": [
                {
                  "discount": 123,
                  "label": "<string>"
                }
              ],
              "productVariantId": 123,
              "merchant": {
                "identifier": "<string>",
                "timezone": "<string>"
              }
            },
            "displayPrice": true,
            "displayImage": true
          }
        ]
      }
    ],
    "itemsSerialized": [
      {
        "id": 123,
        "productVariantId": 123,
        "personId": 123,
        "validity": {
          "from": "<string>",
          "to": "<string>"
        },
        "parentItemId": 123,
        "originatedItemId": 123
      }
    ]
  }
}