Block details.
Epoch: 28 Number of transactions in block: 2 slot_no: 612492 epoch_slot_no: 7692 block_no: 612417 slot_leader_id: 12 size: 1537 time: 2018-02-12 16:28:51 proto_major: 0 proto_minor: 1 hash: \x856258d6400e6eb68c71a6a12d56a295a4cd28544dc5a6ef279b43154ab84e03Block Operator
vrf_key: op_cert: op_cert_counter: