Get action type

curl --request GET \
  --url https://api.mottostreaming.com/annotations/action_types/v1/{action_type_id} \
  --header 'Authorization: Bearer <token>'

{
  "action_type": {
    "id": "<string>",
    "name": "<string>",
    "description": "<string>",
    "image_url": "<string>",
    "category": "<string>",
    "input_fields": [
      {
        "field": "<string>",
        "description": "<string>",
        "type": "<string>",
        "default_value": "<any>",
        "secret": true
      }
    ],
    "output_fields": [
      {
        "field": "<string>",
        "description": "<string>",
        "type": "<string>"
      }
    ],
    "disabled": true
  }
}