curl --request POST \
  --url https://api.openfunnel.dev/api/v1/signal/ \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <x-api-key>' \
  --header 'X-User-ID: <x-user-id>' \
  --data '
{
  "signal_id": 123,
  "filters": {
    "date_from": "<string>",
    "date_to": "<string>"
  }
}
'

{
  "signal_id": 123,
  "signal_name": "<string>",
  "total_accounts": 123,
  "total_people": 123,
  "signal_type": "<string>",
  "account_ids": [],
  "signal_people": [
    {
      "person_id": 123,
      "person_name": "<string>",
      "person_role": "<string>",
      "person_email": "<string>",
      "person_location": "<string>",
      "person_linkedin_url": "<string>",
      "joined_company_at": "<string>",
      "person_crm_status": "<string>",
      "person_salesforce_contact_id": "<string>",
      "person_salesforce_owner_id": "<string>",
      "account_id": 123,
      "account_name": "<string>",
      "account_domain": "<string>",
      "direct_signals": [
        {}
      ]
    }
  ]
}