Block details.
Epoch: 197 Number of transactions in block: 2 slot_no: 4260571 epoch_slot_no: 5371 block_no: 4258419 slot_leader_id: 4 size: 3269 time: 2020-06-06 03:35:11 proto_major: 1 proto_minor: 0 hash: \xb4254dcc31ba701bbf6cb26391ac83ff0f3df1da2e95161516905f09f36200e8Block Operator
vrf_key: op_cert: op_cert_counter: