我正在尝试在AWS IoT之上构建Angular Webapp。

当我向<Reference Include="Mono.Android.dll"> <HintPath Condition="Exists('$(ProgramFiles)\microsoft Visual Studio\2019\Professional')">$(ProgramFiles)\microsoft Visual Studio\2019\Professional\Common7\IDE\ReferenceAssemblies\microsoft\Framework\MonoAndroid\v9.0\Mono.Android.dll</HintPath> <HintPath Condition="Exists('$(ProgramFiles)\microsoft Visual Studio\2019\Enterprise')">$(ProgramFiles)\microsoft Visual Studio\2019\Enterprise\Common7\IDE\ReferenceAssemblies\microsoft\Framework\MonoAndroid\v9.0\Mono.Android.dll</HintPath> </Reference> 发出PUT请求时

具有以下正文：

https://iot.eu-west-1.amazonaws.com/jobs/{job_name}

它给我以下消息：

{
   "description": "This is a test","documentsource": "{url}/huge-file-job.json","presignedurlconfig": { 
      "expiresInSec": 3600,"roleArn": "arn:aws:iam::{id}:role/Pre-sign-URLs"
   },"targets": [ "arn:aws:iot:eu-west-1:{id}:thing/jobs-agent-test" ],"targetSelection": "snAPSHOT"
}

我已经尝试给我的认知角色以下权限：

{
    "Message": "User: arn:aws:sts::{id}:assumed-role/DeviceManagmentUnauth/CognitoIdentityCredentials is not authorized to perform: iam:PassRole on resource: arn:aws:iam::{id}:role/Pre-sign-URLs"
}

我做错了什么？