xchain.start

{
  "name": "wallet",
  "base": "",
  "fields": [
    {
      "name": "id",
      "type": "uint64"
    },
    {
      "name": "chain_id",
      "type": "uint8"
    },
    {
      "name": "token_address",
      "type": "checksum160"
    },
    {
      "name": "balance",
      "type": "asset"
    }
  ]
}