Block details.
Epoch: 199 Number of transactions in block: 1 slot_no: 4310870 epoch_slot_no: 12470 block_no: 4308707 slot_leader_id: 13 size: 2263 time: 2020-06-17 19:01:31 proto_major: 1 proto_minor: 0 hash: \xe64347ab3b9a94a03700e75d9a7b1522c192774d11e0aa64ca8fe02a4fc2571dBlock Operator
vrf_key: op_cert: op_cert_counter: