in src/main/scala/com/gu/invoicing/nextinvoicedate/Impl.scala [11:18]
def getAccountId(name: String): String = {
Http(s"$zuoraApiHost/v1/subscriptions/$name")
.header("Authorization", s"Bearer $accessToken")
.asString
.body
.pipe(read[Subscription](_))
.accountId
}