curl --request POST \
  --url https://api.example.com/api/encryption/v1/envelope/{envelope_id}/dek/{dek_id}/migrate \
  --header 'Content-Type: application/json' \
  --data '
{
  "to_envelope_encryption_key_id": "<string>"
}
'

{
  "message": "<string>",
  "data": "<unknown>"
}