Changes to List accounts managed by organization

added the new optional query request parameter page

added the non-success response with the status 400

added the optional property pagination to the response with the 200 status

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

media type application/vnd.api+json was changed to a more general media type application/json for the response status 401

media type application/vnd.api+json was changed to a more general media type application/json for the response status 403

media type application/vnd.api+json was changed to a more general media type application/json for the response status 404

the accounts/items response's property type changed from string to object for status 200

added the optional property accounts/items/created to the response with the 200 status

added the optional property accounts/items/updated to the response with the 200 status

added the optional property values to the response with the 404 status

added the required property accounts/items/id to the response with the 200 status

added the required property accounts/items/name to the response with the 200 status

added the required property accounts/items/status to the response with the 200 status

endpoint added