curl --request GET \
  --url https://api.sternrockcapital.com/leads/{leadId}/activities

[
  {
    "createdAt": "<string>",
    "id": "<string>",
    "leadId": "<string>",
    "payload": "<any>",
    "type": "call",
    "updatedAt": "<string>",
    "userId": "<string>"
  }
]