Block details.
Epoch: 77 Number of transactions in block: 1 slot_no: 1684162 epoch_slot_no: 20962 block_no: 1683731 slot_leader_id: 6 size: 1022 time: 2018-10-18 18:12:11 proto_major: 0 proto_minor: 1 hash: \xd31838132dd5c66130514b40626ed4e8b9958fa6ba1fae7188b650fb98742ea6Block Operator
vrf_key: op_cert: op_cert_counter: