Submitting the form will send the following values to the IdP:

actionhttps://login.microsoftonline.com/fef0d0ad-f7f9-4156-8b95-b5dc04d4e8bd/saml2
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
RelayState_194bb644-abe8-4a23-aa03-882feaad0505