Block details.
Epoch: 199 Number of transactions in block: 1 slot_no: 4306037 epoch_slot_no: 7637 block_no: 4303874 slot_leader_id: 7 size: 991 time: 2020-06-16 16:10:31 proto_major: 1 proto_minor: 0 hash: \x6c6da14d9a567a154cdf281549d8b8b6940dac772e413c1efdf3e51d0a6dd9dcBlock Operator
vrf_key: op_cert: op_cert_counter: