Block details.
Epoch: 40 Number of transactions in block: 2 slot_no: 874317 epoch_slot_no: 10317 block_no: 874220 slot_leader_id: 7 size: 1822 time: 2018-04-14 07:03:51 proto_major: 0 proto_minor: 1 hash: \x51f70ddf0476ad8d8ad496eff898723986743051a7650de74a06a65ceb19fb4dBlock Operator
vrf_key: op_cert: op_cert_counter: