Ethereum established validator queues for entering and exiting staking to manage the rate at which validators can start or stop staking, ensuring network stability. The queues are in place because there's a limited number of validators that can be processed per epoch, safeguarding the proof of stake consensus. To know when your validator exits the active state, please refer to the Ethereum Validator Queue Page under the Wait time in the Exit Queue. Once your validator is exited, you will receive your staked ETH back into your wallet.