Block details.
Epoch: 45 Number of transactions in block: 2 slot_no: 991884 epoch_slot_no: 19884 block_no: 991777 slot_leader_id: 12 size: 1387 time: 2018-05-11 12:12:51 proto_major: 0 proto_minor: 1 hash: \xbc7db0035521297c1e3d93b4f014f28c7c0938a3d17922191c5445f297358c0eBlock Operator
vrf_key: op_cert: op_cert_counter: