Query: iam_users_for_group

select
  u ->> 'UserName' as "User Name",
  u ->> 'Arn' as "User ARN",
  u ->> 'UserId' as "User ID"
from
  aws_iam_group as g,
  jsonb_array_elements(users) as u
where
  arn = $1
  and account_id = split_part($1, ':', 5);