Accept position rerate

{
    "rerate": {
        "accrual_summary": {
            "accrued_under_new_rate": "0",
            "accrued_under_old_rate": "0.015432",
            "total_accrued": "0.015432"
        },
        "borrower_organization_id": "6ba7b810-9dad-11d1-80b4-00c04fd430c8",
        "contract_id": "550e8400-e29b-41d4-a716-446655440000",
        "create_time": "2026-03-03T12:00:00Z",
        "current_m2m": "12500",
        "effective_time": "2026-03-04T09:30:00Z",
        "fees": "0",
        "frozen_accrued_interest": "0.015432",
        "id": "11c66022-191a-44fb-a45e-ec7f730edb8b",
        "initiated_by_account_id": "9a3f7e9a-0e3e-4f73-9a5b-2c9f18c3f8a1",
        "initiated_by_name": "Alex Johnson",
        "lender_organization_id": "6ba7b811-9dad-11d1-80b4-00c04fd430c8",
        "m2m_at_rerate": "12500",
        "m2m_delta_since_rerate": "0",
        "new_rate": 4.5,
        "old_rate": 3.25,
        "outstanding_principal": "0.25",
        "position_id": "7c9e6679-7425-40de-944b-e07fc1f90ae7",
        "resolution_time": "2026-03-04T09:30:00Z",
        "resolved_by_account_id": "9a3f7e9a-0e3e-4f73-9a5b-2c9f18c3f8a2",
        "resolved_by_name": "Taylor Smith",
        "segments": [
            {
                "accrued_interest": "0.015432",
                "end_time": "2026-03-04T09:30:00Z",
                "rate": 3.25,
                "start_time": "2026-01-26T19:49:10Z"
            },
            {
                "accrued_interest": "0",
                "rate": 4.5,
                "start_time": "2026-03-04T09:30:00Z"
            }
        ],
        "status": "accepted",
        "unrealized_pnl": "0",
        "update_time": "2026-03-03T12:00:00Z"
    }
}