MPA-REQUEST-REFUND

{
  "version": "0.0.1.0",
  "mpaction": {
    "nAction": "MPA_REQUEST_REFUND", 
    "item": "f08f3d6e",
    "memo": "I'd like to request a refund, greetings buyer",
    "escrow": {
      "type": "refund",
      "rawtx": "The buyer creates a transaction based on the address given by the vendor in MP_ITEM and constructs a transaction based on the previous multisig inputs. He then includes the rawtx (signed on his behalf already) in his request to the vendor. This data is half signed by the buyer."
    }
  }
}