curl --request GET \
  --url https://api.embedreach.com/partner/schema-definitions/{schemaIdOrName}

{
  "success": true,
  "message": "<string>",
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "platform_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "<string>",
    "plural_name": "<string>",
    "pluralName": "<string>",
    "description": "<string>",
    "category": "contacts_schema",
    "version_number": 123,
    "versionNumber": 123,
    "reference_schemas": [
      "<string>"
    ],
    "referenceSchemas": [
      "<string>"
    ],
    "schema": {},
    "external_id_field": "<string>",
    "externalIdField": "<string>",
    "created_at": "<string>",
    "createdAt": "<string>",
    "updated_at": "<string>",
    "updatedAt": "<string>",
    "fieldsToExpose": [
      {
        "name": "<string>",
        "jsonPath": "<string>",
        "exposure": [
          "segments"
        ],
        "description": "<string>"
      }
    ],
    "dataConnectionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "source_query": "<string>",
    "sourceQuery": "<string>",
    "deactivated_at": "<string>",
    "deactivatedAt": "<string>",
    "exposeNameJsonPath": "<string>"
  }
}