[
  {
    "packet": {
      "sourceChannel": "",
      "sourcePort": "",
      "destChannel": "",
      "destPort": "",
      "data": {
        "sender": "a1",
        "receiver": "a2",
        "amount": 1,
        "denom": [
          "cosmos-hub",
          "transfer",
          "channel-0",
          "cosmos-hub",
          "btc"
        ]
      }
    },
    "handler": "OnTimeoutPacket",
    "bankBefore": [
      {
        "address": [
          "",
          "",
          ""
        ],
        "denom": [
          "",
          "",
          "",
          "",
          ""
        ],
        "amount": 0
      }
    ],
    "bankAfter": [
      {
        "address": [
          "",
          "",
          ""
        ],
        "denom": [
          "",
          "",
          "",
          "",
          ""
        ],
        "amount": 0
      }
    ],
    "error": true
  }
]