curl --request POST \
  --url https://api.dfns.io/auth/registration \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "firstFactorCredential": {
    "credentialKind": "Fido2",
    "credentialInfo": {
      "credId": "<string>",
      "clientData": "<string>",
      "attestationData": "<string>"
    },
    "credentialName": "<string>"
  },
  "secondFactorCredential": {
    "credentialKind": "Fido2",
    "credentialInfo": {
      "credId": "<string>",
      "clientData": "<string>",
      "attestationData": "<string>"
    },
    "credentialName": "<string>"
  },
  "recoveryCredential": {
    "credentialKind": "RecoveryKey",
    "credentialInfo": {
      "credId": "<string>",
      "clientData": "<string>",
      "attestationData": "<string>"
    },
    "encryptedPrivateKey": "<string>",
    "credentialName": "<string>"
  }
}
'

{
  "credential": {
    "uuid": "<string>",
    "kind": "Fido2",
    "name": "<string>"
  },
  "user": {
    "id": "<string>",
    "username": "<string>",
    "orgId": "<string>"
  }
}