Klavio_sample

   "description":"Demo Postcard job",
   "to":{
      "name":"{{ person.first_name|default:'' }} {{ person.last_name|default:'' }}",
      "address_line1":"{{ person|lookup:'$address1'|default:'' }}",
      "address_line2":"{{ person|lookup:'$address2'|default:'' }}",
      "address_city":"{{ person|lookup:'$city'|default:'' }}",
      "address_state":"{{ person|lookup:'$region'|default:'' }}",
      "address_zip":"{{ person|lookup:'$zip'|default:'' }}"
   },
  "from":"adr_51c8197241ae440c",
   "front":"tmpl_7597eab53f11931",
   "back":"tmpl_2d83381e5658852",
	 "size": "6x9",
	"mail_type": "usps_first_class",
	"metadata":
		{"source": "Klaviyo"
   }