curl --request POST \
  --url https://api.sandbox.sardine.ai/v1/auth/client-tokens \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "referenceId": "42eadcb0-4a93-45af-9c8c-d295db5aeb6c",
  "customerId": "adf02ae2-f633-11ec-b939-0242ac120002",
  "nft": {
    "name": "NFT #1",
    "price": 100,
    "currencyCode": "USD",
    "imageUrl": "https://gateway.nftcompany.io/ipfsQmSAQm4gbhjSeUk7fuYppHd7Z8dfWpBvnFmqFSKqkrUJPM"
  },
  "identityPrefill": {
    "firstName": "John",
    "lastName": "Doe",
    "dateOfBirth": "2000-01-01",
    "emailAddress": "foobar@gmail.com",
    "phone": "+19254485826",
    "address": {
      "street1": "123 Main st",
      "street2": "",
      "city": "irvine",
      "regionCode": "CA",
      "postalCode": "02747",
      "countryCode": "US"
    }
  },
  "taxRates": {
    "US": 10,
    "US-CA": 20
  }
}
'