| checkpoint_timestamp | Timestamp of when the checkpoint was created |
| stake_activation_epoch | The epoch number when the stake was originally activated |
| unstaking_epoch | The epoch number where the IOTA unstake request will be released |
| sender | Address of the sender |
| staker_address | Address of the staker |
| validator_address | Address of the validator |
| pool_id | ID of the staking pool |
| principal_amount_str | Amount of IOTA unstaked (string format for precision) |
| principal_amount | Amount of IOTA unstaked (float format) |
| reward_amount_str | Amount of rewards received (string format for precision) |
| reward_amount | Amount of rewards received (float format) |
| checkpoint_sequence | Sequence number of the checkpoint |
| checkpoint_digest | Digest of the checkpoint |
| transaction_block_digest | Digest of the transaction block |
| transaction_module | Module of the transaction |
| event_seq | Sequence number of the event |
| package_id | ID of the package |
| unique_id | Unique ID of the withdrawal |
| _created_at | Timestamp when the record was created |
| _updated_at | Timestamp when the record was last updated |