init push - laying out the project

portal/app/models/source_subscription.rb

@@ -0,0 +1,17 @@
+# == Schema Information
+#
+# Table name: source_subscriptions
+#
+#  id                  :uuid             not null, primary key
+#  exchange_account_id :string
+#  tip_source_id       :uuid
+#  created_at          :datetime         not null
+#  updated_at          :datetime         not null
+#
+class SourceSubscription < ApplicationRecord
+  belongs_to :tip_source, dependent: :delete
+  belongs_to :exchange_account
+
+  has_many :subscription_runs
+  has_many :tip_source_data, through: :tip_source
+end