withdraw from multisig fails with "invalid transaction"

[xeroc]

delegate (unlocked) >>> wallet_builder_file_add_signature "" true
I tried to broadcast the transaction but it was not valid.
delegate (unlocked) >>> wallet_builder_file_add_signature "" true{
  "transaction_record": {
    "index": 0,
    "record_id": "060aa4fb6b90e27ed408e6fae21d1588a5c4ee0b",
    "block_num": 0,
    "is_virtual": false,
    "is_confirmed": false,
    "is_market": false,
    "trx": {
      "expiration": "2015-05-26T16:03:54",
      "operations": [{
          "type": "withdraw_op_type",
          "data": {
            "balance_id": "BTSFB6WcppLW3oJ8FHBtzkBJji1y6BjzKNHt",
            "amount": 1000000,
            "claim_input_data": ""
          }
        },{
          "type": "deposit_op_type",
          "data": {
            "amount": 990000,
            "condition": {
              "asset_id": 0,
              "slate_id": 0,
              "type": "withdraw_signature_type",
              "data": {
                "owner": "BTS2CxV6VPFZrRgULzCPoBne7RBEheZPMctp"
              }
            }
          }
        }
      ],
      "signatures": [
        "1f07574ecbca231aab473b7beba2cf7174c19e3b5f85a662d437f03b960a848017258d0533a0514f2a1595dff8548c7c4882c4b15d8a3717eb1f62cd2c62ad22ba",
        "20270c5b51c2139808e540762cd040c86f2209644f4e6af0ed288e2af04cbfcfe87585ba056b9ede12c95dc11afafa864311332b73b38238d98cd03777bcb1eefc",
        "1f45bd94421016e650871981642c97b956d3883b4706935e250ea9ea67e5b302b63acc7c6b6f33ac5498ddb664791794ab301016a30eeb0cb5df4857986d2d666f"
      ]
    },
    "ledger_entries": [],
    "fee": {
      "amount": 0,
      "asset_id": 0
    },
    "created_time": "2015-05-26T15:03:54",
    "received_time": "2015-05-26T15:03:54"
  },
  "required_signatures": [
    "BTS8MRauj9qFNduQ2DebyREDLzJs74nPLhDo",
    "BTSN3e7QkwTZYqxkjibddRA6oRbyugDWwxY1",
    "BTSH1CSbuZbzg5ZwkMrr9MVQiy9nVBcb2YNw"
  ],
  "outstanding_balances": []
}

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