usdecontract

{
  "name": "tx_hash_data",
  "base": "",
  "fields": [
    {
      "name": "id",
      "type": "uint64"
    },
    {
      "name": "history_id",
      "type": "uint64"
    },
    {
      "name": "status",
      "type": "uint32"
    },
    {
      "name": "tx_hash",
      "type": "checksum256"
    },
    {
      "name": "time",
      "type": "uint32"
    }
  ]
}