Changes to Exchange a fan experience launch token

the response's body type changed from object to no type for status 403

removed the required property error from the response with the 403 status

added subschema #1 subschema #2 subschema #3 subschema #4 subschema #5 to the response body anyOf list for the response status 403

added the required property experience/experienceType to the response with the 200 status

added the required property walletBalance to the response with the 200 status