Transaction

{
  "args": [
    {
      "string": "0xd0931D9B994eDF72a72C09B7DD4DbBA9678BDbd2"
    },
    {
      "string": "buy(uint256,uint64)"
    },
    {
      "bytes": "00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001"
    },
    {
      "prim": "None"
    }
  ],
  "prim": "Pair"
}