Block details.
Epoch: 17 Number of transactions in block: 5 slot_no: 381558 epoch_slot_no: 14358 block_no: 381506 slot_leader_id: 13 size: 2308 time: 2017-12-21 05:30:51 proto_major: 0 proto_minor: 1 hash: \x2cb675fc3b585ad04a1b9034034db2cbcc259f0675081745bbe7e155273fa8caBlock Operator
vrf_key: op_cert: op_cert_counter: