curl --request POST \
  --url https://api.hsforms.com/submissions/v3/integration/secure/submit/{portalId}/{formGuid} \
  --header 'Content-Type: application/json' \
  --data '{
  "submittedAt": "<string>",
  "fields": [
    {
      "objectTypeId": "<string>",
      "name": "<string>",
      "value": "<string>"
    }
  ],
  "context": {
    "hutk": "<string>",
    "ipAddress": "<string>",
    "pageName": "<string>",
    "pageUri": "<string>",
    "pageId": "<string>",
    "sfdcCampaignId": "<string>",
    "goToWebinarWebinarKey": "<string>"
  },
  "legalConsentOptions": {
    "consent": {
      "consentToProcess": true,
      "text": "<string>",
      "communications": [
        {
          "value": true,
          "subscriptionTypeId": 123,
          "text": "<string>"
        }
      ]
    },
    "legitimateInterest": {
      "value": true,
      "subscriptionTypeId": 123,
      "legalBasis": "CUSTOMER",
      "text": "<string>"
    }
  },
  "skipValidation": true
}'

{
  "redirectUri": "<string>",
  "inlineMessage": "<string>"
}