Block details.
Epoch: 40 Number of transactions in block: 1 slot_no: 867856 epoch_slot_no: 3856 block_no: 867759 slot_leader_id: 7 size: 1033 time: 2018-04-12 19:10:11 proto_major: 0 proto_minor: 1 hash: \x4db2ec07d212a8013193d690f341ae217f505d3eba6cb3dc233b10eeb2cd591dBlock Operator
vrf_key: op_cert: op_cert_counter: