Part Number by Contract Number

GET https://{{endpoint_url}}/v1/subscriptionmaterials?contractNumber={{contract_number}}&type=renewal&action=search

Key	Datatype	Description
`contractNumber`	string
`type`	string	Must be fixed to "renewal"
`action`	string	Must be fixed to "search"

Key	Datatype	Required	Description
`Authorization`	string
`timestamp`	string
`signature`	string
`CSN`	string