{
  "types": [{
      "new_type_name": "my_account_name",
      "type": "name"
    }
  ],
  "structs": [{
      "name": "message",
      "base": "",
      "fields": [
        {"name":"from", "type":"my_account_name"},
        {"name":"to", "type":"my_account_name"},
        {"name": "message", "type":"string" }
      ]
   },{
      "name": "messages_count",
      "base": "",
      "fields": [
        {"name": "user", "type": "my_account_name"},
        {"name": "count", "type": "uint32"}
      ]
    }
  ],
  "actions": [{
      "name": "message",
      "type": "message"
    }
  ],
  "tables": [{
      "name": "msgsent",
      "type": "messages_count",
      "index_type": "i64",
      "key_names" : ["user"],
      "key_types" : ["my_account_name"]
    },{
      "name": "msgreceived",
      "type": "messages_count",
      "index_type": "i64",
      "key_names" : ["user"],
      "key_types" : ["my_account_name"]
    }
  ]
}