Arraylist of objects inside object there is file and id how to send this type of request in retrofit 2.0 ?

{
name:Employee one
phone:9876543210
companyName:ows
abn:ows1234
licenses[0].license[0] file
licenses[0].license[1] file
licenses[0].id:1
}

how to send above type of request in android retrofit 2 ?