Block details.
Epoch: 1 Number of transactions in block: 1 slot_no: 39702 epoch_slot_no: 18102 block_no: 39678 slot_leader_id: 4 size: 1027 time: 2017-10-03 02:18:51 proto_major: 0 proto_minor: 0 hash: \x8ef170c810c72bba382c0846cdce33b1b9d79fc23bda24340016c4e287cd214fBlock Operator
vrf_key: op_cert: op_cert_counter: