Block details.
Epoch: 16 Number of transactions in block: 1 slot_no: 351240 epoch_slot_no: 5640 block_no: 351192 slot_leader_id: 6 size: 994 time: 2017-12-14 05:04:51 proto_major: 0 proto_minor: 1 hash: \xf3ce4885443ecf42d15e9681b4a4bc002f580f11f0a177ff95d84fecd66f9c0fBlock Operator
vrf_key: op_cert: op_cert_counter: