Task: Transcribe audio files from Cloud Storage

n8n workflow JSON:
{"nodes":[{"name":"Google Sheets","type":"n8n-nodes-base.googleSheets","position":[1240,1120],"parameters":{"range":"A:D","options":{},"sheetId":"qwertz","operation":"append","authentication":"oAuth2"},"credentials":{"googleSheetsOAuth2Api":{"id":"2","name":"google_sheets_oauth"}},"typeVersion":1},{"name":"AWS Transcribe 2","type":"n8n-nodes-base.awsTranscribe","position":[920,1120],"parameters":{"operation":"get","transcriptionJobName":"={{$json[\"Key\"]}}"},"credentials":{"aws":{"id":"9","name":"aws"}},"typeVersion":1},{"name":"AWS Transcribe 1","type":"n8n-nodes-base.awsTranscribe","position":[600,1120],"parameters":{"options":{},"mediaFileUri":"=s3://{{$node[\"AWS S3 2\"].parameter[\"bucketName\"]}}/{{$json[\"Key\"]}}","transcriptionJobName":"={{$json[\"Key\"]}}"},"credentials":{"aws":{"id":"9","name":"aws"}},"typeVersion":1},{"name":"AWS S3 1","type":"n8n-nodes-base.awsS3","position":[280,1120],"parameters":{"tagsUi":{"tagsValues":[{"key":"source","value":"gdrive"}]},"fileName":"={{$json[\"name\"]}}","operation":"upload","binaryData":false,"bucketName":"mybucket","fileContent":"street","additionalFields":{}},"credentials":{"aws":{"id":"9","name":"aws"}},"typeVersion":1},{"name":"AWS S3 2","type":"n8n-nodes-base.awsS3","position":[440,1120],"parameters":{"options":{},"operation":"getAll","bucketName":"mybucket"},"credentials":{"aws":{"id":"9","name":"aws"}},"typeVersion":1},{"name":"Set","type":"n8n-nodes-base.set","position":[1080,1120],"parameters":{"values":{"number":[{"name":"transcription_date","value":"={{$node[\"AWS Transcribe 1\"].json[\"CreationTime\"]}}"}],"string":[{"name":"recording_name","value":"={{$node[\"AWS Transcribe 1\"].json[\"TranscriptionJobName\"]}}"},{"name":"recording_link","value":"={{$node[\"Google Drive Trigger\"].json[\"webContentLink\"]}}"},{"name":"transcription","value":"={{$json[\"transcript\"]}}"}]},"options":{}},"typeVersion":1},{"name":"Google Drive Trigger1","type":"n8n-nodes-base.googleDriveTrigger","position":[120,1120],"parameters":{"event":"fileCreated","options":{},"triggerOn":"specificFolder","folderToWatch":"https://drive.google.com/drive/folders/[your_id]"},"credentials":{"googleDriveOAuth2Api":{"id":"59","name":"Google Drive account"}},"typeVersion":1},{"name":"Wait","type":"n8n-nodes-base.wait","position":[760,1120],"webhookId":"12345","parameters":{"resume":"webhook","options":{"responsePropertyName":"transcript"},"responseMode":"lastNode"},"typeVersion":1}],"connections":{"Set":{"main":[[{"node":"Google Sheets","type":"main","index":0}]]},"Wait":{"main":[[{"node":"AWS Transcribe 2","type":"main","index":0}]]},"AWS S3 1":{"main":[[{"node":"AWS S3 2","type":"main","index":0}]]},"AWS S3 2":{"main":[[{"node":"AWS Transcribe 1","type":"main","index":0}]]},"AWS Transcribe 1":{"main":[[{"node":"Wait","type":"main","index":0}]]},"AWS Transcribe 2":{"main":[[{"node":"Set","type":"main","index":0}]]},"Google Drive Trigger1":{"main":[[{"node":"AWS S3 1","type":"main","index":0}]]}}}