Block details.
Epoch: 50 Number of transactions in block: 1 slot_no: 1087849 epoch_slot_no: 7849 block_no: 1087719 slot_leader_id: 13 size: 991 time: 2018-06-02 17:21:11 proto_major: 0 proto_minor: 1 hash: \xa1b1ea1c508777f3b357d4f039e7debeb9e084b96cd16032245d3014b2c5f984Block Operator
vrf_key: op_cert: op_cert_counter: