curl --request GET \
  --url https://api.hubapi.com/media-bridge/v1/{appId}/schemas

{
  "results": [
    {
      "associations": [
        {
          "createdAt": "2023-11-07T05:31:56Z",
          "fromObjectTypeId": "",
          "name": "",
          "id": "",
          "toObjectTypeId": "",
          "updatedAt": "2023-11-07T05:31:56Z"
        }
      ],
      "secondaryDisplayProperties": [
        "<string>"
      ],
      "createdByUserId": 123,
      "objectTypeId": "<string>",
      "description": "<string>",
      "updatedByUserId": 123,
      "allowsSensitiveProperties": true,
      "fullyQualifiedName": "<string>",
      "labels": {
        "plural": "<string>",
        "singular": "<string>"
      },
      "archived": true,
      "createdAt": "2023-11-07T05:31:56Z",
      "requiredProperties": [
        "<string>"
      ],
      "searchableProperties": [
        "<string>"
      ],
      "primaryDisplayProperty": "<string>",
      "name": "<string>",
      "id": "<string>",
      "properties": [
        {
          "hidden": true,
          "displayOrder": 123,
          "description": "<string>",
          "showCurrencySymbol": true,
          "type": "<string>",
          "hubspotDefined": true,
          "createdAt": "2023-11-07T05:31:56Z",
          "archived": true,
          "options": [
            {
              "hidden": true,
              "displayOrder": 123,
              "description": "<string>",
              "label": "<string>",
              "value": "<string>"
            }
          ],
          "hasUniqueValue": true,
          "calculated": true,
          "externalOptions": true,
          "dateDisplayHint": "absolute",
          "updatedAt": "2023-11-07T05:31:56Z",
          "createdUserId": "<string>",
          "modificationMetadata": {
            "readOnlyOptions": true,
            "readOnlyValue": true,
            "readOnlyDefinition": true,
            "archivable": true
          },
          "sensitiveDataCategories": [
            "<string>"
          ],
          "label": "<string>",
          "formField": true,
          "dataSensitivity": "non_sensitive",
          "archivedAt": "2023-11-07T05:31:56Z",
          "groupName": "<string>",
          "referencedObjectType": "<string>",
          "name": "<string>",
          "calculationFormula": "<string>",
          "fieldType": "<string>",
          "updatedUserId": "<string>"
        }
      ],
      "updatedAt": "2023-11-07T05:31:56Z"
    }
  ]
}