Block details.
Epoch: 57 Number of transactions in block: 1 slot_no: 1240142 epoch_slot_no: 8942 block_no: 1239961 slot_leader_id: 7 size: 1026 time: 2018-07-07 23:25:31 proto_major: 0 proto_minor: 1 hash: \x3075bcddfa4b9c3f12d70cad89549546c7c8387d0172cbda6dc6b9a2b36add68Block Operator
vrf_key: op_cert: op_cert_counter: