Mobile Manifest Entity
Represent a set of material requirements: Items that either need to be owned or need to be consumed in order to perform an action.

A variety of other entities refer to these as gatekeepers and payments for actions that can be performed in game.
Mapped to Mobile Manifest Table: MaterialRequirementSets
Type: object
Object Properties
The list of all materials that are required.
Type: array
The unique identifier for this entity. Guaranteed to be unique for the type of entity, but not globally.

When entities refer to each other in Destiny content, it is this hash that they are referring to.
Type: uint32
The index of the entity as it was found in the investment tables.
Type: int32
If this is true, then there is an entity with this identifier/type combination, but BNet is not yet allowed to show it. Sorry!
Type: boolean