Block details.
Epoch: 30 Number of transactions in block: 1 slot_no: 648365 epoch_slot_no: 365 block_no: 648289 slot_leader_id: 4 size: 1029 time: 2018-02-20 23:46:31 proto_major: 0 proto_minor: 1 hash: \x2a302bc857945d10e7731d87245f22775c3aea2ed33633c9bebb2d5564be0eccBlock Operator
vrf_key: op_cert: op_cert_counter: