Create Trust Center subscriber

curl --request POST \
  --url https://api.vanta.com/v1/trust-centers/{slugId}/subscribers \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "email": "<string>",
  "customerTrustAccountId": "<string>",
  "shouldSkipEmailVerification": true
}
'

{
  "id": "a2f7e1b9d0c3f4e5a6c7b8d9",
  "email": "subscriber@example.com",
  "isEmailVerified": true,
  "creationDate": "2020-01-01T00:00:00.000Z",
  "customerTrustAccountId": null,
  "groups": [
    {
      "id": "b3e8f2c0d1a4f5e6b7d8c9e0",
      "name": "Security Managers"
    }
  ]
}