curl --request POST \
  --url https://access.utgl.io/v1/cards/update-email \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "cardAccountId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "cardId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "email": "john.doe@example.com"
}
'

{
  "cardAccountId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "cardId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "email": "john.doe@example.com"
}