{
  "accounts": [
    {
      "id": "ACC-001",
      "expected_balance": 9000
    },
    {
      "id": "ACC-002",
      "expected_balance": 3200
    },
    {
      "id": "ACC-003",
      "expected_balance": -500
    }
  ],
  "transactions": [
    {
      "account_id": "ACC-001",
      "amount": 5000,
      "type": "deposit",
      "timestamp": "2024-01-15T10:00:00+00:00"
    },
    {
      "account_id": "ACC-001",
      "amount": 1500,
      "type": "withdrawal",
      "timestamp": "2024-01-20T14:00:00+00:00"
    },
    {
      "account_id": "ACC-002",
      "amount": 2000,
      "type": "deposit",
      "timestamp": "2024-01-16T09:00:00+00:00"
    },
    {
      "account_id": "ACC-001",
      "amount": 5000,
      "type": "deposit",
      "timestamp": "2024-02-01T08:00:00+00:00"
    },
    {
      "account_id": "ACC-002",
      "amount": 800,
      "type": "withdrawal",
      "timestamp": "2024-01-25T11:00:00+00:00"
    },
    {
      "account_id": "ACC-001",
      "amount": 0,
      "type": "deposit",
      "timestamp": "2024-02-05T12:00:00+00:00"
    },
    {
      "account_id": "ACC-003",
      "amount": 1000,
      "type": "deposit",
      "timestamp": "2024-01-18T16:00:00+00:00"
    },
    {
      "account_id": "ACC-003",
      "amount": 1500,
      "type": "withdrawal",
      "timestamp": "2024-01-22T10:00:00+00:00"
    },
    {
      "account_id": "ACC-002",
      "amount": 2000,
      "type": "deposit",
      "timestamp": "2024-02-03T15:00:00+00:00"
    },
    {
      "account_id": "ACC-003",
      "amount": 0,
      "type": "withdrawal",
      "timestamp": "2024-01-28T09:00:00+00:00"
    }
  ]
}