trackId make our dapp Idempotene to not create duplicate notification, and creation date make use date of notification would be correct, even if we process blockchain events later , these two variables are needed for givEconomy notifications and suggested by @aminlatifi
trackId make our dapp Idempotene to not create duplicate notification, and creation date make use date of notification would be correct, even if we process blockchain events later , these two variables are needed for givEconomy notifications and suggested by @aminlatifi