curl --request POST \
  --url http://localhost:52000/api/v1/flows/{flowId}/execute \
  --header 'Content-Type: multipart/form-data' \
  --form 'request={
  "threads": 2,
  "totalDuration": 2,
  "rampUpDuration": 1,
  "variables": {},
  "credentials": [
    {}
  ]
}' \
  --form file='@example-file'

"<string>"