curl --request GET \
  --url https://api.hubapi.com/media-bridge/v1/{appId}/settings/object-definitions/{mediaType}

{
  "schema": {
    "hasOwners": true,
    "permissioningType": "<string>",
    "primaryDisplayLabelPropertyName": "<string>",
    "objectTypeId": "<string>",
    "lastModifiedPropertyName": "<string>",
    "integrationAppId": 123,
    "description": "<string>",
    "allowsSensitiveProperties": true,
    "pipelinePropertyName": "<string>",
    "pipelineTimeToClosePropertyName": "<string>",
    "singularForm": "<string>",
    "createdAt": 123,
    "hasPipelines": true,
    "hasExternalObjectIds": true,
    "scopeMappings": [
      {
        "accessLevel": "<string>",
        "requestAction": "<string>",
        "scopeName": "<string>"
      }
    ],
    "hasDefaultProperties": true,
    "indexedForFiltersAndReports": true,
    "createDatePropertyName": "<string>",
    "id": 123,
    "ownerPortalId": 123,
    "restorable": true,
    "pluralForm": "<string>",
    "metaTypeId": 123,
    "defaultSearchPropertyNames": [
      "<string>"
    ],
    "visibility": "<string>",
    "janusGroup": "<string>",
    "pipelineCloseDatePropertyName": "<string>",
    "fullyQualifiedName": "<string>",
    "deleted": true,
    "requiredProperties": [
      "<string>"
    ],
    "writeScopeName": "<string>",
    "accessScopeName": "<string>",
    "hasCustomProperties": true,
    "name": "<string>",
    "metaType": "HUBSPOT",
    "pipelineStagePropertyName": "<string>",
    "readScopeName": "<string>",
    "secondaryDisplayLabelPropertyNames": [
      "<string>"
    ],
    "status": "<string>"
  },
  "objectTypeId": "<string>",
  "objectTypeName": "<string>",
  "properties": [
    {
      "objectTypeId": "<string>",
      "janusGroup": "<string>",
      "propertyRequirements": {
        "gates": [
          "<string>"
        ],
        "settings": [
          "<string>"
        ],
        "scopeNames": [
          "<string>"
        ],
        "operator": "AND"
      },
      "definitionSource": {
        "name": "<string>",
        "type": "GLOBAL"
      },
      "externalOptionsMetaData": {
        "filter": {
          "pipelineIds": [
            "<string>"
          ],
          "includeUnconfirmedUsers": true
        },
        "relatedObjectTypeId": "<string>"
      },
      "permission": {
        "accessLevel": "<string>"
      },
      "calculationExpression": "<any>",
      "rollupExpression": {
        "associationTypes": [
          {
            "associationCategory": "",
            "associationTypeId": 123
          }
        ],
        "emptyRollupValue": "<string>",
        "conditionalFormula": "<string>",
        "sourceObjectTypeId": "<string>",
        "conditionalExpression": "<any>",
        "rollupOperator": "<string>",
        "sourcePropertyName": "<string>",
        "sourceCompareByPropertyName": "<string>"
      },
      "extensionData": {
        "softRequiredPropertiesExtensionData": {
          "isSoftRequiredProperty": true
        },
        "extensionStatusMap": {},
        "caseChangeTestExtensionData": {
          "mood": "<string>"
        },
        "optionDecoratorsExtensionData": {
          "optionDecoratorStyle": "<string>",
          "optionDecorators": {}
        },
        "tags": [
          "<string>"
        ],
        "requiredPropertiesExtensionData": {
          "isRequiredProperty": true
        }
      },
      "fulcrumPortalId": 123,
      "fulcrumTimestamp": 123,
      "propertyDefinitionSource": {
        "name": "<string>",
        "type": "<string>"
      },
      "property": {
        "favoritedOrder": 123,
        "enforceMultivalueUniqueness": true,
        "readOnlyValue": false,
        "hidden": false,
        "optionSortStrategy": "",
        "displayOrder": 123,
        "description": "",
        "showCurrencySymbol": false,
        "type": "",
        "readOnlyDefinition": false,
        "hubspotDefined": false,
        "allowedObjectTypes": "",
        "createdAt": 123,
        "searchTextAnalysisMode": "NONE",
        "textDisplayHint": "",
        "portalId": 123,
        "options": "",
        "isPartial": false,
        "optionsAreMutable": false,
        "hasUniqueValue": false,
        "calculated": false,
        "externalOptions": false,
        "dateDisplayHint": "absolute",
        "favorited": false,
        "updatedAt": 123,
        "createdUserId": 123,
        "canArchive": true,
        "fromUserId": 123,
        "mutableDefinitionNotDeletable": false,
        "isMultiValued": false,
        "sensitiveDataCategories": "",
        "canRestore": true,
        "currencyPropertyName": "",
        "owningAppId": 123,
        "isCustomizedDefault": false,
        "label": "",
        "formField": false,
        "displayMode": "",
        "dataSensitivity": "",
        "groupName": "",
        "deleted": false,
        "referencedObjectType": "",
        "name": "",
        "searchableInGlobalSearch": false,
        "externalOptionsReferenceType": "",
        "numberDisplayHint": "",
        "fieldType": ""
      },
      "calculationFormula": "<string>"
    }
  ],
  "propertyGroups": [
    {
      "fulcrumPortalId": 123,
      "fulcrumTimestamp": 123,
      "displayName": "<string>",
      "name": "<string>",
      "displayOrder": 123,
      "hubspotDefined": true
    }
  ]
}