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One type contains the encapsulated alert and its extraData.
The extraData is included as a string with the fields encoded using urlEncoding. Even though the extraData compiles info only from specific certain fields (more info here), all of them are included but those that are not compiled appear as empty, showing empty values for those not compiled (legacy feature).
A url URL to the link alert in the Devo platform is included so you can easily access for easy access to its details.
The other type is used for the validation process.
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