xchain.start

{
  "name": "tokenavatar",
  "base": "",
  "fields": [
    {
      "name": "token_symbol",
      "type": "extended_symbol"
    },
    {
      "name": "chain_id",
      "type": "uint8"
    },
    {
      "name": "remote_token_address",
      "type": "checksum160"
    },
    {
      "name": "avatar_url",
      "type": "string"
    }
  ]
}