Optional_A unique document ID (Mongo DB ObjectID)
Approval itself
The approval ID
The approval level
The approval type
The approver address
The collection ID
OptionaldeletedDeleted at timestamp
OptionaldenomDenom
OptionalisIs active currently
OptionalnextNext check time
OptionalnumNumber of transfers left
OptionalpriceThe price of the listing
OptionalsufficientOwner has sufficient balances
OptionaltokenThe token ID
OptionalusedExplicitly marked as used or expired
A unique stringified document ID