Block details.
Epoch: 197 Number of transactions in block: 2 slot_no: 4276415 epoch_slot_no: 21215 block_no: 4274263 slot_leader_id: 12 size: 3325 time: 2020-06-09 19:36:31 proto_major: 1 proto_minor: 0 hash: \x9f4e2c7b9a4e76ff9684c479033a0686c5b064462c90e1d1e743d3d6949c4777Block Operator
vrf_key: op_cert: op_cert_counter: