{
  "AttributeUpdates": {
    "attribute1": {
      "Action": "PUT",
      "Value": {
        "S": "STR"
      }
    },
    "attribute2": {
      "Action": "PUT",
      "Value": {
        "N": "1234"
      }
    }
  },
  "Key": {
    "hashkey": {
      "S": "hashkeyvalue"
    },
    "rangekey": {
      "S": "rangekeyvalue"
    }
  },
  "TableName": "tablename",
  "ReturnValues": "ALL_OLD"
}