Block details.
Epoch: 39 Number of transactions in block: 1 slot_no: 855949 epoch_slot_no: 13549 block_no: 855854 slot_leader_id: 4 size: 1350 time: 2018-04-10 01:01:11 proto_major: 0 proto_minor: 1 hash: \x62507bd429c4ca9668132dedcef22cb1eb5cc515e0522f2d55f30160bce3105bBlock Operator
vrf_key: op_cert: op_cert_counter: