Block details.
Epoch: 17 Number of transactions in block: 2 slot_no: 378375 epoch_slot_no: 11175 block_no: 378323 slot_leader_id: 13 size: 1382 time: 2017-12-20 11:49:51 proto_major: 0 proto_minor: 1 hash: \xb8c8117dfb66a9ea6d7ea1901c0b2f0d57a6b9445775e00084b5f7ae3ad74a7bBlock Operator
vrf_key: op_cert: op_cert_counter: