Block details.
Epoch: 197 Number of transactions in block: 1 slot_no: 4259870 epoch_slot_no: 4670 block_no: 4257718 slot_leader_id: 3 size: 1302 time: 2020-06-05 23:41:31 proto_major: 1 proto_minor: 0 hash: \x0b1f1a6856e85c84c9a38d39212a8e3d2abaca545da17291c10d0f1272fb97d4Block Operator
vrf_key: op_cert: op_cert_counter: