Block details.
Epoch: 30 Number of transactions in block: 3 slot_no: 658696 epoch_slot_no: 10696 block_no: 658619 slot_leader_id: 8 size: 1925 time: 2018-02-23 09:10:11 proto_major: 0 proto_minor: 1 hash: \x67759c1a9dfebc113e0bbc99310f5ed23a5aed19d9c59573bab886c3193b66dbBlock Operator
vrf_key: op_cert: op_cert_counter: