query ReferralStats {
  referralStats {
    referrerId
    availableBalance
    referralsCount
    transactions {
      id
      userId
      amount
      reason
      orderId
      createdAt
    }
    pendingWithdrawals {
      id
      requesterId
      amount
      status
      reviewComment
      createdAt
      updatedAt
    }
  }
}