Json Docusign多部分表单请求以上载多个文档

有人能帮我上传一个信封中的多个文档的Json请求吗。我已将请求粘贴到下面

我得到的错误是 API调用失败，返回的状态为：400 错误描述：
{“errorCode”：“未收到文档”，“message”：“文档元素未包含编码的文档，或者编码有问题。在请求中找不到与documentId 1对应的文档的字节。“documentId=”可能从内容处置标头中丢失。“}

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我基本上熟悉SOAP api，但我发现的示例在内容配置中没有关于documentid值的引号。例如：documentid=1而不是documentid=“1”。不作为答案列出，因为我不确定这在JSON中是否重要。更改是否仍然是相同的错误使用此帖子修复了问题

--BOUNDARY
Content-Type: application/json
Content-Disposition: form-data

{
  "emailSubject" : "This is email subject",
  "emailBlurb" : "This is email body",
  "recipients" : {
    "signers" : [ {
      "routingOrder" : "1",
      "name" : "name",
      "email" : "valid email address",
      "recipientId" : "1",
      "tabs" : {
        "signHereTabs" : [ {
          "anchorTab" : {
            "anchorString" : "SignHere",
            "anchorXOffset" : "1",
            "anchorYOffset" : "1",
            "anchorIgnoreIfNotPresent" : "true",
            "anchorUnits" : "inches"
          }
        } ]
      }
    } ]
  },
  "documents" : [ {
    "name" : "document.pdf",
    "documentId" : "1"
  }, {
    "name" : "document2.pdf",
    "documentId" : "2"
  } ],
  "status" : "sent"
}

--BOUNDARY
Content-Disposition: form-data
Content-Type: multipart/mixed; boundary=BBB 

--BBB 

Content-Type: application/pdf
Content-Disposition: file; filename="document.pdf"; documentid="1"

[B@47df4d31
--BBB 

Content-Type: application/pdf
Content-Disposition: file; filename="document2.pdf"; documentid="2"

[B@1544f0d4
--BBB-- 

--BOUNDARY--