curl --request PUT \
  --url https://partner-card.test.public.rockerapi.dev/api/v4/engagements/card/onboarding/{onboarding-id}/supplementary-card-holder-details \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "cardholderDetails": {
    "salutation": "MRS",
    "firstName": "Julia",
    "lastName": "Mueller",
    "dateOfBirth": "1990-05-12",
    "placeOfBirth": "Berlin",
    "nationality": "DE",
    "phone": "+491701234568",
    "locale": "de"
  },
  "redirectUrls": {
    "successUrl": "https://example.com/supplementary/success",
    "failUrl": "https://example.com/supplementary/fail"
  }
}
'

"<string>"