Block details.
Epoch: 67 Number of transactions in block: 1 slot_no: 1449700 epoch_slot_no: 2500 block_no: 1449449 slot_leader_id: 12 size: 1033 time: 2018-08-25 11:38:11 proto_major: 0 proto_minor: 1 hash: \x98b18104760646fbcea870c72e94695f8a94dedbc7883b1f020380c7e9fd371aBlock Operator
vrf_key: op_cert: op_cert_counter: