Block details.
Epoch: 15 Number of transactions in block: 1 slot_no: 339475 epoch_slot_no: 15475 block_no: 339429 slot_leader_id: 12 size: 1167 time: 2017-12-11 11:43:11 proto_major: 0 proto_minor: 1 hash: \x0dc2870449d508f7b3d55e72e7e4203955496924f43cadcceae023b28eb9dcbeBlock Operator
vrf_key: op_cert: op_cert_counter: