If you performed and signed the transfer, you might see it as signed but not executed yet because, at the time, it is being processed. The transfer execution time depends on the transfer type. When the transfer has been completed, the status will change to Executed.
Website: you can check your transfer's exact status by logging in to your Paysera account and selecting Transfers > List of Transfers.
Mobile app: on the main screen > the transfer will be transparent.