Block details.
Epoch: 199 Number of transactions in block: 2 slot_no: 4313557 epoch_slot_no: 15157 block_no: 4311394 slot_leader_id: 12 size: 1323 time: 2020-06-18 09:57:11 proto_major: 1 proto_minor: 0 hash: \xf4b671c9f3bb9b47d69b84e97aa9ecae3f747d07f73f8840696d98f186d24612Block Operator
vrf_key: op_cert: op_cert_counter: