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

actionhttps://login.microsoftonline.com/fe991c0a-c1b2-4b20-a24f-b5bbe1dae33b/saml2
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
RelayState_0a84906a-7687-4d07-aa3d-5aee1b972c15