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

actionhttps://login.microsoftonline.com/19d43396-9676-4e1b-8f4b-d732e4b1428a/saml2
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
RelayState_a9cfdaa1-40df-42b3-83e3-08cdbde6487b