/salesApiConnection?action=connectV2

params = {
    'action': 'connectV2',
}

data = {"member": "ACwAADZP0XgBQ05NSUoLL0BqgKh1Wcyk5LWxzCE", "message": "Hey :)"}

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