In https://github.com/neume-network/strategies/pull/281 we have used a [schema property](https://github.com/neume-network/strategies/blob/ce1213668ae1bf74cf21705a6d513a35a6a4c568/src/strategies/call-block-logs/extractor.mjs#L56) in message to validate the incoming result. The property needs to be part of the message schema.