security_type field is the API-surface rename of the ingestsecurity_class (DATA-1.5 B5 rename seam). effective_date iseffective_date_basis so consumers see it is not a primary SEC field.{
"exchange": "string",
"issuer_name": "string",
"security_description": "string",
"rule_provision": "string",
"signature_date": "string",
"filed_by": "string",
"security_type": "string",
"effective_date": "string",
"effective_date_basis": "string",
"cik": "string",
"accession": "string",
"form": "string",
"filed_at": "string",
"primary_doc_url": "string"
}