v3数据提交（密钥）

curl --location --request POST 'https://df-api.shallow.ink/df/object/price/submit/v3' \
--header 'X-Submission-Secret;' \
--header 'Content-Type: application/json' \
--data-raw '{
  "timestamp": 1762208120,
  "total_items": 171,
  "type": "protect",
  "items": [
    {
      "item_name": "H70 精英头盔（全新）",
      "original_item_name": "H70 精英头盔",
      "price": "3,152,081",
      "original_price": "3,152,081",
      "item_confidence": 0.9704447388648987,
      "price_confidence": 0.8422867059707642,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "GN 重型夜视头盔（全新）",
      "original_item_name": "GN 重型夜视头盔",
      "price": "614,210",
      "original_price": "614,210",
      "item_confidence": 0.9794771671295166,
      "price_confidence": 0.9953679442405701,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "DICH-1战术头盔（全新）",
      "original_item_name": "DICH-1战术头盔",
      "price": "357,186",
      "original_price": "357,186",
      "item_confidence": 0.9954214692115784,
      "price_confidence": 0.9495407938957214,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "GN 重型头盔（全新）",
      "original_item_name": "GN 重型头盔",
      "price": "346,315",
      "original_price": "346,315",
      "item_confidence": 0.9878381490707397,
      "price_confidence": 0.9502269625663757,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "H09 防暴头盔（全新）",
      "original_item_name": "H09 防暴头盔",
      "price": "273,371",
      "original_price": "273,371",
      "item_confidence": 0.962064802646637,
      "price_confidence": 0.9212782979011536,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "GN 久战重型夜视头盔（全新）",
      "original_item_name": "GN 久战重型夜视头盔",
      "price": "219,588",
      "original_price": "219,588",
      "item_confidence": 0.9897915124893188,
      "price_confidence": 0.963938295841217,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "Mask-1铁壁头盔（全新）",
      "original_item_name": "Mask-1铁壁头盔",
      "price": "103,829",
      "original_price": "103,829",
      "item_confidence": 0.9980894923210144,
      "price_confidence": 0.9934049844741821,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "DICH 训练头盔（全新）",
      "original_item_name": "DICH 训练头盔",
      "price": "162,634",
      "original_price": "162,634",
      "item_confidence": 0.9849895238876343,
      "price_confidence": 0.9950925707817078,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "GT1 战术头盔（全新）",
      "original_item_name": "GT1 战术头盔",
      "price": "137,451",
      "original_price": "137,451",
      "item_confidence": 0.9914323687553406,
      "price_confidence": 0.9955710172653198,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "MHS 战术头盔（全新）",
      "original_item_name": "MHS 战术头盔",
      "price": "103,243",
      "original_price": "103,243",
      "item_confidence": 0.9905291199684143,
      "price_confidence": 0.9678159356117249,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "D6 战术头盔（全新）",
      "original_item_name": "D6 战术头盔",
      "price": "67,113",
      "original_price": "67,113",
      "item_confidence": 0.9913175702095032,
      "price_confidence": 0.969755232334137,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "DAS 防弹头盔（全新）",
      "original_item_name": "DAS 防弹头盔",
      "price": "39541",
      "original_price": "39541",
      "item_confidence": 0.9833292365074158,
      "price_confidence": 0.9725059270858765,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "H07 战术头盔（全新）",
      "original_item_name": "H07 战术头盔",
      "price": "24157",
      "original_price": "24157",
      "item_confidence": 0.9212708473205566,
      "price_confidence": 0.99481201171875,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "防暴头盔（全新）",
      "original_item_name": "防暴头盔",
      "price": "23,467",
      "original_price": "23.467",
      "item_confidence": 0.9975029230117798,
      "price_confidence": 0.9673266410827637,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "DAS 防弹头盔（全新）",
      "original_item_name": "DAS 防弹头盔",
      "price": "39,541",
      "original_price": "39,541",
      "item_confidence": 0.9568946361541748,
      "price_confidence": 0.9497331976890564,
      "condition": "全新",
      "equipment_category": "头盔"
    },
    {
      "item_name": "H07 战术头盔（全新）",
      "original_item_name": "H07 战术头盔",
      "price": "24,157",
      "orig