Block details.
Epoch: 40 Number of transactions in block: 2 slot_no: 871023 epoch_slot_no: 7023 block_no: 870926 slot_leader_id: 4 size: 1710 time: 2018-04-13 12:45:51 proto_major: 0 proto_minor: 1 hash: \xbb73272d17027bcd8c8c3a6ae9053b870804b1b56d03e0580519b0b1a2b7a885Block Operator
vrf_key: op_cert: op_cert_counter: