[
   {"step_order":1,"type":"email","delay_hours":0,"subject_template":"Friendly reminder: Invoice #{{invoice_number}} due {{due_date}}","body_template":"Hi {{first_name}},  I hope this finds you well. I'm writing to send a friendly reminder that Invoice #{{invoice_number}} for {{amount}} (inc. GST) is due on {{due_date}}.  If you've already arranged payment, please disregard this message. If you have any questions or need a copy of the invoice, please don't hesitate to get in touch.  Thank you for your business!  {{sender_name}}"},
   {"step_order":2,"type":"email","delay_hours":120,"subject_template":"Payment overdue: Invoice #{{invoice_number}}","body_template":"Hi {{first_name}},  I'm following up on Invoice #{{invoice_number}} for {{amount}} which was due on {{due_date}}.  If there's an issue with the invoice or you're experiencing difficulties, please reach out and we can discuss options. Otherwise, we'd appreciate payment at your earliest convenience.  BANK DETAILS: Bank: {{bank_name}} BSB: {{bsb}} Account: {{account_number}} Ref: {{invoice_number}}  Thank you, {{sender_name}}"}
 ]