Block details.
Epoch: 197 Number of transactions in block: 2 slot_no: 4259415 epoch_slot_no: 4215 block_no: 4257263 slot_leader_id: 3 size: 3828 time: 2020-06-05 21:09:51 proto_major: 1 proto_minor: 0 hash: \x7e61ca9d9f07732b024440c27785c9b74999fb59533272d3329181780ab5705bBlock Operator
vrf_key: op_cert: op_cert_counter: