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{
  "name": "token",
  "base": "",
  "fields": [
    {
      "name": "id",
      "type": "uint64"
    },
    {
      "name": "ext_symbol",
      "type": "extended_symbol"
    },
    {
      "name": "symbol_name",
      "type": "string"
    },
    {
      "name": "precision",
      "type": "uint64"
    }
  ]
}