Block details.
Epoch: 30 Number of transactions in block: 1 slot_no: 648167 epoch_slot_no: 167 block_no: 648091 slot_leader_id: 8 size: 1022 time: 2018-02-20 22:40:31 proto_major: 0 proto_minor: 1 hash: \x42fb13838a9937d70697625ab9ede715424ac13ad4562e133a0753b23aeb6435Block Operator
vrf_key: op_cert: op_cert_counter: