| event_type | VARCHAR | Type of staking event (delegate, undelegate, redelegate_from, redelegate_to, claim_undelegated_stake, migrate) |
| delegator_address | VARCHAR | Address of the delegator performing the action |
| operator_address | VARCHAR | Address of the validator involved in the action |
| amount_str | VARCHAR | String representation of the BNB amount involved in the event |
| amount | DECIMAL | Float representation of the BNB amount involved in the event |
| shares | DECIMAL | Amount of stake credit tokens involved in the event |
| shares_exchange_rate | DECIMAL | Exchange rate between BNB and stake credit tokens at the time of the event |
| params | JSON | Raw parameters from the event |
| transaction_hash | VARCHAR | Hash of the transaction containing the event |
| transaction_index | INTEGER | Index of the transaction in the block |
| log_index | INTEGER | Index of the event log in the transaction |
| block_timestamp | TIMESTAMP | Timestamp of the block containing the event |
| block_number | INTEGER | Block number containing the event |
| block_hash | VARCHAR | Hash of the block containing the event |
| unique_id | VARCHAR | Unique identifier for the event |