Block details.
Epoch: 30 Number of transactions in block: 2 slot_no: 669243 epoch_slot_no: 21243 block_no: 669166 slot_leader_id: 7 size: 2465 time: 2018-02-25 19:45:51 proto_major: 0 proto_minor: 1 hash: \x886db08953c4e13cd76c0930562c5d095195d4d736e9a555b6742d5cbdcbb865Block Operator
vrf_key: op_cert: op_cert_counter: