curl --request GET \
  --url https://discord.com/api/v10/guilds/{guild_id}/auto-moderation/rules/{rule_id} \
  --header 'Authorization: <api-key>'

{
  "id": "<string>",
  "guild_id": "<string>",
  "creator_id": "<string>",
  "name": "<string>",
  "event_type": 123,
  "actions": [
    {
      "type": 1,
      "metadata": {
        "custom_message": "<string>"
      }
    }
  ],
  "trigger_type": 4,
  "enabled": true,
  "exempt_roles": [
    "<string>"
  ],
  "exempt_channels": [
    "<string>"
  ],
  "trigger_metadata": {
    "allow_list": [
      "<string>"
    ],
    "presets": [
      123
    ]
  }
}