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

actionhttps://login.microsoftonline.com/57cfd3f9-04c8-495e-a646-0002dad2e345/saml2
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
RelayState_146aac5c-0668-4706-9f66-d99fc7ac9a9a