curl --request POST \
  --url https://rest.staging.nickel.com/customer/{customerId}/uploadACHDebitAuthorizationPdf \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "routingNumber": "<string>",
  "accountNumber": "<string>",
  "accountType": "checking",
  "fileId": "<string>",
  "memo": "<string>",
  "transactionLimitCents": 123,
  "expirationDate": "2023-12-25"
}
'

{
  "id": "<string>",
  "customerId": "<string>",
  "paymentMethod": {
    "id": "<string>",
    "type": "ACH",
    "achDetails": {
      "bankName": "JP Morgan Chase",
      "routingNumber": "<string>",
      "accountNumberLastFour": "<string>"
    },
    "cardDetails": {
      "brand": "visa",
      "last4": "<string>",
      "holderName": "<string>",
      "expMonth": "2",
      "expYear": "2030"
    },
    "billingDetails": {
      "name": "<string>",
      "companyName": "<string>",
      "street": "<string>",
      "city": "<string>",
      "state": "<string>",
      "zip": "<string>",
      "email": "<string>"
    }
  },
  "transactionLimitInCents": 123,
  "expiresAt": 123,
  "active": true,
  "url": "<string>"
}