advisor_user_entry_controller.rb

class Api::V1::AdvisorUserEntriesController < Api::V1::BaseController

  respond_to :json
  
  def show
    result = {
      :user => @advisor_user_entry,
      :advisor_user_entry => @advisor_user_entry ,
      :meta => { :message => "Returned an existing User." }
    }
    
    success_respond(result)
  end
end

base_controller.rb

class Api::V1::BaseController < ApplicationController

  def success_respond(data, status_code=:ok)
    render json: data, status: status_code
  end
  
  def error_respond(message, status_code)    
    render json: { :message => message }, :status => status_code
  end
end

members_controller.rb

class Api::V1::MembersController < Api::V1::AdvisorUserEntriesController

  def show
    hash_replacement = JSON(super[0])
    hash_replacement["members"] = hash_replacement["advisor_user_entry"]
    hash_replacement.delete "advisor_user_entry"
  end

end