POST
/2015-03-31/functions/arn%253Aaws%253Alambda%253Aus-west-2%253A892717189312%253Afunction%253Amy-rusty-fun/invocations

host:lambda.us-east-2.amazonaws.com
x-amz-date:20210511T154045Z

host;x-amz-date
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855