Block details.
Epoch: 20 Number of transactions in block: 1 slot_no: 443586 epoch_slot_no: 11586 block_no: 443530 slot_leader_id: 3 size: 1029 time: 2018-01-04 14:06:51 proto_major: 0 proto_minor: 1 hash: \xffecbacc5c165458112409740f9f5695136a5a418b22468ef9619a882a7f3bcdBlock Operator
vrf_key: op_cert: op_cert_counter: