Block details.
Epoch: 71 Number of transactions in block: 1 slot_no: 1554708 epoch_slot_no: 21108 block_no: 1554379 slot_leader_id: 12 size: 2620 time: 2018-09-18 19:00:51 proto_major: 0 proto_minor: 1 hash: \xf3793c72ebccabb0b7eb8bbbbf58081feb2b588381561cdcc3cc0788cef6fdf3Block Operator
vrf_key: op_cert: op_cert_counter: