2.1 If you are the owner, you can deposit stNEAR calling ft_transfer_call on the contract meta-pool.near with receiver_id = this contract.
2.2 If you are either withdrawer_1 or withdrawer_2, you can call withdraw to withdraw your available rewards
2.3 At any time, if you are the owner of the contract, you can call owner_withdraw
2.4 After deposit, the deposited stNEAR will start accumulating rewards, you can check the current reward amounts using the ts-sdk at src/query.ts, execute: npm run query