Block details.
Epoch: 19 Number of transactions in block: 4 slot_no: 412564 epoch_slot_no: 2164 block_no: 412511 slot_leader_id: 8 size: 2107 time: 2017-12-28 09:46:11 proto_major: 0 proto_minor: 1 hash: \xc298b032921e1a8b5885073aff45c1c43d1c06bc4304f1dd735e349a6d5c9e8dBlock Operator
vrf_key: op_cert: op_cert_counter: