Block details.
Epoch: 16 Number of transactions in block: 2 slot_no: 354171 epoch_slot_no: 8571 block_no: 354123 slot_leader_id: 7 size: 1709 time: 2017-12-14 21:21:51 proto_major: 0 proto_minor: 1 hash: \xc31547497b0768f247ad0be4ba4634842c7b3da7b08f07a0654835ae89dcdf02Block Operator
vrf_key: op_cert: op_cert_counter: