Block details.
Epoch: 75 Number of transactions in block: 1 slot_no: 1640526 epoch_slot_no: 20526 block_no: 1640118 slot_leader_id: 7 size: 1203 time: 2018-10-08 15:46:51 proto_major: 0 proto_minor: 1 hash: \xa40faa8dec14eba4c7cb7f638f85d79cfeafbd996f755a8e893ae97260093c82Block Operator
vrf_key: op_cert: op_cert_counter: