Block details.
Epoch: 17 Number of transactions in block: 6 slot_no: 374995 epoch_slot_no: 7795 block_no: 374943 slot_leader_id: 3 size: 2779 time: 2017-12-19 17:03:11 proto_major: 0 proto_minor: 1 hash: \xe2af979588ea43dc1f41bf765ad8c75c2c02ce1d08a3bf0e46cf81bb09bd4f98Block Operator
vrf_key: op_cert: op_cert_counter: