Block details.
Epoch: 123 Number of transactions in block: 2 slot_no: 2669250 epoch_slot_no: 12450 block_no: 2667734 slot_leader_id: 3 size: 2939 time: 2019-06-03 18:54:51 proto_major: 0 proto_minor: 2 hash: \xd8b9cb10c10af12bf9f44f1d22da3b312c3d3d74b1944a5bfab6b50de54529d3Block Operator
vrf_key: op_cert: op_cert_counter: