Block details.
Epoch: 28 Number of transactions in block: 1 slot_no: 613656 epoch_slot_no: 8856 block_no: 613581 slot_leader_id: 7 size: 1030 time: 2018-02-12 22:56:51 proto_major: 0 proto_minor: 1 hash: \xc7f3498256ca84198803edf5620e531cf509975db48cc33e772395ab93c5472dBlock Operator
vrf_key: op_cert: op_cert_counter: