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

actionhttps://login.microsoftonline.com/af3069ae-7f61-496e-aa92-8f9de280f79f/saml2
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
RelayState_84fe870f-6d7a-4d21-9009-bdb518dda9ca