usdecontract

{
  "name": "updateprice2",
  "base": "",
  "fields": [
    {
      "name": "contract",
      "type": "name"
    },
    {
      "name": "sym",
      "type": "string"
    },
    {
      "name": "price",
      "type": "uint32"
    },
    {
      "name": "time",
      "type": "uint32"
    },
    {
      "name": "vid",
      "type": "uint64[]"
    }
  ]
}