We are getting message to large exceptions for signalr events

[mgreisen]

Information

• Onefuzz version: 8.6.2
• OS:

Provide detailed reproduction steps (if any)

We're seeing the following exception from the signalr queue.

The request body is too large and exceeds the maximum permissible limit.
RequestId:c3ae7abb-7003-0050-5167-c52a02000000
Time:2023-08-02T17:36:16.6357115Z
Status: 413 (The request body is too large and exceeds the maximum permissible limit.)
ErrorCode: RequestBodyTooLarge

Additional Information:
MaxLimit: 131584

Content:
<?xml version="1.0" encoding="utf-8"?><Error><Code>RequestBodyTooLarge</Code><Message>The request body is too large and exceeds the maximum permissible limit.
RequestId:c3ae7abb-7003-0050-5167-c52a02000000
Time:2023-08-02T17:36:16.6357115Z</Message><MaxLimit>131584</MaxLimit></Error>

Headers:
Server: Windows-Azure-Queue/1.0 Microsoft-HTTPAPI/2.0
x-ms-request-id: c3ae7abb-7003-0050-5167-c52a02000000
x-ms-version: 2018-11-09
x-ms-error-code: RequestBodyTooLarge
Date: Wed, 02 Aug 2023 17:36:16 GMT
Content-Length: 287
Content-Type: application/xml

Expected result

What is the expected result of the above steps?

Actual result

What is the actual result of the above steps?

AB#163037