Block details.
Epoch: 30 Number of transactions in block: 1 slot_no: 650719 epoch_slot_no: 2719 block_no: 650643 slot_leader_id: 6 size: 1027 time: 2018-02-21 12:51:11 proto_major: 0 proto_minor: 1 hash: \x9fa4cc8e1bc38c1bd9e73f519d85e5e0498bb38865d61681bcc808d2ba258b79Block Operator
vrf_key: op_cert: op_cert_counter: