curl --request POST \
  --url https://app.narrativebanking.com/api/auth/refresh \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "refreshToken": "<refresh-jwt>"
}
'

{
  "accessToken": "<string>",
  "refreshToken": "<string>"
}