Task: Send a file from S3 to AWS Textract

n8n workflow:
{"nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[250,300],"parameters":{},"typeVersion":1},{"name":"AWS Textract","type":"n8n-nodes-base.awsTextract","position":[650,300],"parameters":{},"credentials":{"aws":{"id":"12","name":"AWS account"}},"typeVersion":1},{"name":"AWS S3","type":"n8n-nodes-base.awsS3","position":[450,300],"parameters":{"fileKey":"Rechnung.jpg","bucketName":"textract-demodata"},"credentials":{"aws":{"id":"12","name":"AWS account"}},"typeVersion":1}],"connections":{"AWS S3":{"main":[[{"node":"AWS Textract","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"AWS S3","type":"main","index":0}]]}}}