List record activities

curl --request GET \
  --url https://api.useinvent.com/orgs/{org_id}/records/{record_id}/activities \
  --header 'Authorization: Bearer <token>'

[
  {
    "id": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "actor": {
      "id": "<string>",
      "name": "<string>",
      "email": "jsmith@example.com",
      "avatar": "<string>",
      "seen_at": "2023-11-07T05:31:56Z"
    },
    "assistant": {
      "id": "<string>",
      "name": "<string>",
      "avatar_url": "<string>"
    },
    "segment": {
      "id": "<string>",
      "name": "<string>",
      "contacts_count": 123,
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    },
    "broadcast": {
      "id": "<string>",
      "name": "<string>"
    },
    "comment": "<string>",
    "attachments": [
      {
        "id": "<string>",
        "file_path": "<string>",
        "file_filename": "document.pdf",
        "file_size": 1024,
        "file_mimetype": "application/pdf",
        "file_url": "<string>",
        "created_at": "2023-11-07T05:31:56Z"
      }
    ],
    "file": {
      "id": "<string>",
      "file_path": "<string>",
      "file_filename": "document.pdf",
      "file_size": 1024,
      "file_mimetype": "application/pdf",
      "file_url": "<string>",
      "created_at": "2023-11-07T05:31:56Z"
    },
    "metadata": {
      "changes": [
        {
          "key": "<string>",
          "old_value": "<unknown>",
          "new_value": "<unknown>"
        }
      ]
    }
  }
]