Changes to Update an existing pledge

added update_request_document subschema #2 to the request body allOf list

the request's body type changed from object to no type

the response's body type changed from object to no type for status 200

removed the required property data from the response with the 200 status

removed the request property data

added the media type application/vnd.api+json to the request body

added show_document subschema #2 to the response body allOf list for the response status 200

media type application/json was changed to a more specific media type application/vnd.api+json for the response status 200

added the non-success response with the status 400

added the non-success response with the status 401

added the non-success response with the status 404

added the non-success response with the status 422

added the non-success response with the status 429