Retrieves details of a single upload preset

{  "name": "string",  "unsigned": true,  "settings": {    "accessibility_analysis": true,    "asset_folder": "string",    "async": true,    "auto_chaptering": true,    "auto_tagging": 0,    "auto_transcription": true,    "access_control": [      {        "access_type": "token",        "key": "string",        "start": "string",        "end": "string"      }    ],    "access_mode": "public",    "backup": true,    "background_removal": "string",    "callback": "string",    "categorization": "string",    "cinemagraph_analysis": true,    "colors": false,    "detection": "string",    "discard_original_filename": true,    "display_name": "string",    "eager_async": true,    "eager_notification_url": "http://example.com",    "eval": "string",    "faces": true,    "filename_override": "string",    "folder": "string",    "format": "string",    "invalidate": true,    "media_metadata": true,    "metadata": "string",    "clear_invalid": false,    "moderation": "string",    "notification_url": "http://example.com",    "ocr": "string",    "on_success": "string",    "overwrite": true,    "phash": true,    "proxy": "string",    "public_id": "string",    "public_id_prefix": "string",    "quality_analysis": true,    "raw_convert": "string",    "regions": "string",    "responsive_breakpoints": [      {        "create_derived": true,        "max_width": 0,        "min_width": 0,        "bytes_step": 0,        "max_images": 0,        "transformation": "string"      }    ],    "return_delete_token": true,    "upload_preset": "string",    "use_asset_folder_as_public_id_prefix": true,    "use_filename": true,    "use_filename_as_display_name": true,    "unique_display_name": true,    "unique_filename": true,    "visual_search": true,    "tags": [      "string"    ],    "context": {      "property1": "string",      "property2": "string"    },    "eager": [      [        {}      ]    ],    "transformation": [      {}    ],    "allowed_formats": [      "string"    ],    "headers": {      "property1": "string",      "property2": "string"    },    "face_coordinates": [      [        0      ]    ],    "custom_coordinates": [      [        0      ]    ],    "type": "upload"  },  "external_id": "string"}