invalid paths: invalid path /grants: invalid operation POST: example requestGrant: Error at "/balances": value must be an object
Schema:
  {
    "description": "An object containing the details of the existing grant.",
    "properties": {
      "currency": {
        "description": "The three-character [ISO currency code](https://docs.adyen.com/development-resources/currency-codes).",
        "type": "string"
      },
      "fee": {
        "description": "Fee amount.",
        "format": "int64",
        "type": "integer"
      },
      "principal": {
        "description": "Principal amount.",
        "format": "int64",
        "type": "integer"
      },
      "total": {
        "description": "Total amount. A sum of principal amount and fee amount.",
        "format": "int64",
        "type": "integer"
      }
    },
    "required": [
      "principal",
      "fee",
      "total",
      "currency"
    ],
    "type": "object"
  }

Value:
  [
    {
      "currency": "EUR",
      "fee": 120000,
      "principal": 1000000,
      "total": 1120000
    }
  ]
