Changes to List the business's e-signature envelopes (business)

added the optional property error/authorization to the response with the 400 status

added the optional property error/authorization to the response with the 401 status

added the optional property error/authorization to the response with the 403 status

added the optional property error/authorization to the response with the default status

added the new custody_contract enum value to the data/items/purpose response property for the response status 200

added the optional property data/items/contract_type to the response with the 200 status

api tag customer-session added

added the optional property data/items/document/customer_legal_name to the response with the 200 status

endpoint added