Block details.
Epoch: 159 Number of transactions in block: 4 slot_no: 3450287 epoch_slot_no: 15887 block_no: 3448746 slot_leader_id: 3 size: 2346 time: 2019-12-01 14:00:31 proto_major: 0 proto_minor: 2 hash: \x25f9e8a0fa10f53862cb7b909d4c09d47e732fd05a19703a5b8fcc4fa537a0d0Block Operator
vrf_key: op_cert: op_cert_counter: