Block details.
Epoch: 91 Number of transactions in block: 1 slot_no: 1981847 epoch_slot_no: 16247 block_no: 1980365 slot_leader_id: 3 size: 989 time: 2018-12-26 16:00:31 proto_major: 0 proto_minor: 2 hash: \xf8d22fe0d5585aa3bfb07cc4ee162c758817eae83f6210d6f976801e28339be1Block Operator
vrf_key: op_cert: op_cert_counter: