List configured stock media providers

{  "$schema": "https://example.com/api/v1/schemas/ListStockProvidersOutputBody.json",  "enabled": true,  "providers": [    {      "attribution": "string",      "audio": true,      "key": "string",      "name": "string",      "photo_filters": [        "string"      ],      "photos": true,      "provider_url": "string",      "video_filters": [        "string"      ],      "videos": true    }  ]}