learnwithjoy

{
  "name": "modbalance",
  "base": "",
  "fields": [
    {
      "name": "authname",
      "type": "name"
    },
    {
      "name": "username",
      "type": "string"
    },
    {
      "name": "pid",
      "type": "uint64"
    },
    {
      "name": "userid",
      "type": "string"
    },
    {
      "name": "tid",
      "type": "uint64"
    },
    {
      "name": "amount",
      "type": "float64"
    }
  ]
}