PrepaymentV2Loan

{
    "identifier": {
        "originator_proposal_code": "34586674",
        "banker_proposal_code": "BNK-2025-001"
    },
    "code": "prepay_001",
    "prepayment_installments": [
        {
            "identifier": {
                "nosso_numero": "1001",
                "code": "1"
            },
            "prepayment_amount": 1000
        }
    ]
}