/salesApiLeads?action=bulkSaveByMembers

params = {
    'action': 'bulkSaveByMembers',
}

data = {"entities": ["urn:li:fs_salesProfile:(ACwAADZP0XgBQ05NSUoLL0BqgKh1Wcyk5LWxzCE,NAME_SEARCH,KIg9)"] }

response = requests.post(
    'https://www.linkedin.com/sales-api/salesApiLeads',
    params=params,
    cookies=cookies,
    headers=headers,
    data=json.dumps(data)
)
print(response.json())