List Fiat On Ramp Credentials

curl --request POST \
  --url https://api.0xkey.io/public/v1/query/list_fiat_on_ramp_credentials \
  --header 'Content-Type: application/json' \
  --header 'X-Stamp: <api-key>' \
  --data '
{
  "organizationId": "<string>"
}
'

{
  "fiatOnRampCredentials": [
    {
      "fiatOnrampCredentialId": "<string>",
      "organizationId": "<string>",
      "onrampProvider": "FIAT_ON_RAMP_PROVIDER_UNSPECIFIED",
      "publishableApiKey": "<string>",
      "encryptedSecretApiKey": "<string>",
      "createdAt": {
        "seconds": "<string>",
        "nanos": "<string>"
      },
      "updatedAt": {
        "seconds": "<string>",
        "nanos": "<string>"
      },
      "projectId": "<string>",
      "encryptedPrivateApiKey": "<string>",
      "sandboxMode": true
    }
  ]
}