List balances

curl -X GET "https://api.live.paisr.tech/v2/wallets/{wallet_id}/balances" \
  -H "Authorization: Bearer <access_token>" \
  -H "User-Agent: MyApp/1.0" \
  -H "Content-Type: application/json"

{
  "success": true,
  "data": {
    "balances": [
      {
        "id": "bca_123456",
        "title": "SRD Balance",
        "currency": "SRD",
        "balance": {
          "running": 2802.75,
          "holding": 0
        },
        "frozen": false,
        "type": "primary",
        "treasurer": {
          "name": "PAISR Treasury",
          "iban": "ABC123456789",
          "type": "checking",
          "bank": {
            "name": "Southern Commercial Bank",
            "swift": "SOUOSRPP"
          }
        },
        "created_at": "2024-01-15T10:30:00Z"
      }
    ]
  }
}