{
  "id": "http://usd-ledger.example/subscriptions/52a42d6f-8d9c-4c05-b31c-cccc8bbdb31d",
  "event": "transfer.update",
  "resource": {
    "id": "http://usd-ledger.example/transfers/6851929f-5a91-4d02-b9f4-4ae6b7f1768c",
    "ledger":"usd-ledger.",
    "debits":[{
      "amount":"1.07",
      "account":"usd-ledger.alice"
    }],
    "credits":[{
      "amount":"1.07",
      "account":"usd-ledger.mark",
      "memo":{
        "ilp_header": {
          "amount":"1.00",
          "account":"eur-ledger.bob"
        }
      }
    }],
    "execution_condition": "cc:0:3:vmvf6B7EpFalN6RGDx9F4f4z0wtOIgsIdCmbgv06ceI:7",
    "expires_at": "2015-06-16T00:00:04.000Z",
    "state": "prepared"
  }
}