curl --request GET \
  --url https://crypto.westminister.tech/api/v1/auth/otc/negotiated-fx/references/by-code/{code} \
  --header 'Authorization: Bearer <token>'

{
  "reference": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "reference_code": "<string>",
    "merchant_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "merchant_display_name": "<string>",
    "agreed_transaction_date": "2023-12-25",
    "timezone": "<string>",
    "expires_at": "2023-11-07T05:31:56Z",
    "asset": "<string>",
    "fiat_currency": "<string>",
    "network": "<string>",
    "agreed_amount": "<string>",
    "reference_fx_rate": "<string>",
    "agreed_fx_rate": "<string>",
    "narration": "<string>",
    "pricing_profile_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "created_by_user_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "created_by_display_name": "<string>",
    "consumed_at": "2023-11-07T05:31:56Z",
    "consumed_otc_deposit_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "gross_fiat_amount": "<string>",
    "gross_crypto_amount": "<string>",
    "net_fiat_amount": "<string>",
    "net_crypto_amount": "<string>",
    "total_fee_amount": "<string>",
    "fee_currency": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
}