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optional EntityId agent_id = 1
required EntityId entity_id = 2
required uint64 object_id = 3
Used in: FieldOperation, QueryResponse
Used in: Field, QueryRequest
required uint32 program = 1
required uint32 group = 2
required uint32 field = 3
optional uint64 index = 4
Used in: ChannelState, UpdateRequest
Used in: FieldOperation