xchain.start

{
  "name": "logwallet",
  "base": "",
  "fields": [
    {
      "name": "owner",
      "type": "name"
    },
    {
      "name": "chain_id",
      "type": "uint8"
    },
    {
      "name": "token_address",
      "type": "checksum160"
    },
    {
      "name": "quantity",
      "type": "extended_asset"
    }
  ]
}