Block details.
Epoch: 17 Number of transactions in block: 4 slot_no: 379683 epoch_slot_no: 12483 block_no: 379631 slot_leader_id: 13 size: 2096 time: 2017-12-20 19:05:51 proto_major: 0 proto_minor: 1 hash: \xf3ce5d88361e52330a32b033174a0cfef3a97b8af96c103a69b842ea51f75efaBlock Operator
vrf_key: op_cert: op_cert_counter: