curl --request PUT \
  --url https://app.teable.ai/api/base/%7BbaseId%7D/authority-matrix \
  --header 'Authorization: Bearer REPLACE_BEARER_TOKEN' \
  --header 'content-type: application/json' \
  --data '{"defaultRole":"string"}'

{
  "id": "<string>",
  "baseId": "<string>",
  "defaultRole": "<string>",
  "enabledTime": "<string>"
}