{
  "query": "mutation createUserCashBalance($input: CreateUserCashBalanceInput!) { createUserCashBalance(input: $input) { userCashBalanceId totalCashBalance availableCashBalance lifetimeCashBalance nickname status createdAt }}",
  "variables": {
    "input": {
      "nickname": "Team Travel"
    }
  }
}

{
  "nickname": "Team Travel"
}

{
  "data": {
    "createUserCashBalance": {
      "userCashBalanceId": "f8a3c9e1-7b2d-4f5e-9c8a-1d2e3f4g5h6i",
      "totalCashBalance": "0",
      "availableCashBalance": "0",
      "lifetimeCashBalance": "0",
      "nickname": "Team Travel",
      "status": "ACTIVE",
      "createdAt": "2025-01-15T10:30:00.000Z"
    }
  }
}