pool.sfn

{
  "name": "rename",
  "base": "",
  "fields": [
    {
      "name": "symcode",
      "type": "symbol_code"
    },
    {
      "name": "new_symcode",
      "type": "symbol_code"
    },
    {
      "name": "accounts",
      "type": "name[]"
    }
  ]
}