createescrow

{
  "name": "balances",
  "base": "",
  "fields": [
    {
      "name": "memo",
      "type": "uint64"
    },
    {
      "name": "contributors",
      "type": "contributors[]"
    },
    {
      "name": "total_balance",
      "type": "asset"
    },
    {
      "name": "origin",
      "type": "string"
    },
    {
      "name": "timestamp",
      "type": "uint64"
    }
  ]
}