Block details.
Epoch: 18 Number of transactions in block: 2 slot_no: 391368 epoch_slot_no: 2568 block_no: 391316 slot_leader_id: 8 size: 1389 time: 2017-12-23 12:00:51 proto_major: 0 proto_minor: 1 hash: \xc9f384b850d27bb51a247bb420f7629938c29bd3ed5db45c87f95f0ce4893058Block Operator
vrf_key: op_cert: op_cert_counter: