问快速入门指南的问题

EN

HttpError                                 Traceback (most recent call last)
<ipython-input-6-bcfca1a6c4ac> in <module>()
     17     signupUrlName=signup_url['name'],
     18     enterpriseToken=enterprise_token,
---> 19     body={}
     20 ).execute()
     21 

1 frames
/usr/local/lib/python3.6/dist-packages/googleapiclient/http.py in execute(self, http, num_retries)
    896             callback(resp)
    897         if resp.status >= 300:
--> 898             raise HttpError(resp, content, uri=self.uri)
    899         return self.postproc(resp, content)
    900 

HttpError: <HttpError 400 when requesting https://androidmanagement.googleapis.com/v1/enterprises?projectId=ssapptest&signupUrlName=signupUrls%2FCfd59b86982be3c7c&enterpriseToken=EAJmqckwEH8mD3tZnKKqQmCqL_qXuhR15BbAuA1QJP-Sl9EwawDekO-MXBWe7xFzPI8nqynhjQ3o7ympqJpSrIQzaKWPeKLD4R4nqE9BPI1JvkmB9fhE80P4&alt=json returned "domain: "androidenterprise.ApiErrors"
code: "INVALID_COMPLETION_TOKEN"
argument: "Cfd59b86982be3c7c"
debug_info: "code: INVALID_COMPLETION_TOKEN\nhttp status: 400\narguments: [Cfd59b86982be3c7c]\ncause: com.google.wireless.android.vending.enterprise.common.exceptions.InvalidCompletionTokenException: EnterpriseException{httpStatus=400, code=androidenterprise.ApiErrors.INVALID_COMPLETION_TOKEN, arguments=[Cfd59b86982be3c7c]}\n\tat com.google.wireless.android.vending.enterprise.business.LaForgeServiceImpl.completeSignup(LaForgeServiceImpl.java:648)\n\tat com.google.wireless.android.vending.enterprise.actions.mdmapi.EnterpriseActions$CompleteSignupAction.execute(EnterpriseActions.java:222)\n\tat com.google.apps.framework.request.impl.InterceptorInvocation$Rpc.beforeProceed(InterceptorInvocation.java:147)\n\tat com.google.apps.framework.request.impl.InterceptorInvocation.proceed(InterceptorInvocation.java:158)\n\tat com.google.apps.framework.request.impl.RpcDispatcher.proceed(RpcDispatcher.java:136)\n\tat com.google.apps.framework.request.impl.RpcDispatcher.proceed(RpcDispatcher.java:42)\n\tat com.google.apps.framework.request.impl.AbstractDispatcher.doExecuteChain(AbstractDispatcher.java:464)\n\tat com.google.apps.framework.request.impl.AbstractDispatcher.execute(AbstractDispatcher.java:303)\n\tat com.google.apps.framework.request.impl.AbstractDispatcher.executeAsync(AbstractDispatcher.java:226)\n\tat com.google.apps.framework.request.impl.RpcDispatcher.handleRpc(RpcDispatcher.java:126)\n\tat com.google.apps.framework.request.impl.RpcScopedHandlerFactoryImpl.run(RpcScopedHand...