use "debug"
use "json"

actor Main

  new create(env: Env) =>

    try
      let jsonDoc = (recover ref JsonDoc end).>parse("{ \"userName\": \"hello\" }")?
      Debug(jsonDoc.string())
      let userName = (jsonDoc.data as JsonObject).data("userName")? as String
      Debug(userName)
    else
      Debug("error")
    end