{
"kit_reader": "=Email::MIME::Kit::ConstKit",
"header": [
{ "Subject": "Hello" },
{ "From" : "Test Sender <test@test.com>" }
],
"alternatives": [
{
"type": "text/plain",
"path": "first/text/alternative.txt"
},
{
"type": "text/plain",
"path": "second/text/alternative.txt"
}
]
}