Changes to Get contract

added subschema #1 subschema #2 to the response body oneOf list for the response status 200

removed subschema #1 subschema #2 from the response body oneOf list for the response status 200

added subschema #1 subschema #2 to the response body oneOf list for the response status 200

deleted the header request parameter Authorization

the endpoint scheme security OAuthScheme was added to the API

for the path request parameter contract_id, the type was generalized from no type to string, and format from no format to uuid

added response discriminator for the response status 200

api operation id get removed and replaced with v3_get