A unique stringified document ID
Optional
_idA unique document ID (Mongo DB ObjectID)
A tally of the amounts transferred for this approval.
The amount tracker ID of the approval.
The approval ID
The approval level of the approval "collection", "incoming", or "outgoing".
The address to check for the approval.
The address of the approval to check.
The collection ID for the approval.
The number of transfers. Is an incrementing tally.
The type of tracker to check "overall", "to", "from", or "initiatedBy".