Block details.
Epoch: 207 Number of transactions in block: 7 slot_no: 4480966 epoch_slot_no: 9766 block_no: 4478677 slot_leader_id: 4 size: 12377 time: 2020-07-27 04:00:11 proto_major: 2 proto_minor: 0 hash: \xd11768692a6e33ec7aa51481b3bfc914844c36a4f5eef144653838e0c3784f79Block Operator
vrf_key: op_cert: op_cert_counter: