Schedule 2x Refinement Sessions (1h each), where your task is to get the a better understanding of the requirements together with the right level of details to fulfill the following points
Create an overall diagram describing the End to End Process (e.g. http://draw.io)
Create the Interface Definition File (DRM Template) that would map the provided data into PFX entities
Create a set (10 to 15) of User Stories with Acceptance Criteria and PFX Approach that would cover the requirements, with enough technical descriptions so that a CE could pick up those User Stories and implement them
1x Final Session (1h) to defend the solution
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