Block details.
Epoch: 72 Number of transactions in block: 2 slot_no: 1576301 epoch_slot_no: 21101 block_no: 1575961 slot_leader_id: 4 size: 1633 time: 2018-09-23 18:58:31 proto_major: 0 proto_minor: 1 hash: \xff53d3095d2e55dc3f39ba6ae364860ffd044ea81f8a8a574d7f17ea9047e508Block Operator
vrf_key: op_cert: op_cert_counter: