Retrieve a vesting event transaction contract and return it as an OCF JSON object.
The LedgerJsonApiClient instance
Parameters containing the contract ID
The vesting event data in OCF format along with the contract ID
https://schema.opencaptablecoalition.com/v/1.2.0/objects/transactions/vesting/VestingEvent.schema.json
Retrieve a vesting event transaction contract and return it as an OCF JSON object.