curl --request POST \
  --url https://api.dfns.io/keys/{keyId}/export \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-DFNS-USERACTION: <api-key>' \
  --data '{
  "encryptionKey": "<string>",
  "supportedSchemes": [
    {
      "protocol": "CGGMP24",
      "curve": "ed25519"
    }
  ]
}'

{
  "publicKey": "<string>",
  "protocol": "CGGMP24",
  "curve": "ed25519",
  "minSigners": 123,
  "encryptedKeyShares": [
    {
      "signerId": "<string>",
      "encryptedKeyShare": "<string>"
    }
  ]
}