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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 showing empty values for those not compiled appear as empty (legacy feature).
A URL to the alert in the Devo platform is included for easy access to its details.
The other type is used for the validation process.
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