Block details.
Epoch: 17 Number of transactions in block: 4 slot_no: 383893 epoch_slot_no: 16693 block_no: 383841 slot_leader_id: 7 size: 2065 time: 2017-12-21 18:29:11 proto_major: 0 proto_minor: 1 hash: \xd31a6026e47a6919ab6506e6c6e7e681a6c0326cbd784efae1c5138e1aefa5e9Block Operator
vrf_key: op_cert: op_cert_counter: