Changes to Look up an email address

• breaking

  added subschema #1: Channel subscription list action to the channel/subscription_lists/items/action response property oneOf list for the response status 200

This list may be incomplete.

• warning

  removed the optional property channel/alias from the response with the 200 status

This list may be incomplete.

• info

  added the optional property channel/device_attributes/ua_rcs_enabled to the response with the 200 status