How to undestand transferOperation?
Are those events in case of no error always sent, or only one of them in each transaction, or one after the other?
You can listen for all those events in your code, there isn’t a guarantee that you will get response from all those events (for example on ETH it can take considerable time until the transaction is confirmed), but my expectation is that you will get all those events triggered when is not an error and you can choose to listen only on one of those events or on all of them.
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