Block details.
Epoch: 87 Number of transactions in block: 1 slot_no: 1896712 epoch_slot_no: 17512 block_no: 1895245 slot_leader_id: 12 size: 1030 time: 2018-12-06 23:02:11 proto_major: 0 proto_minor: 2 hash: \xa345420b4dcba8f1e9464a8e236389e9f85530a9a8805c74bdde6c327a9c8a1dBlock Operator
vrf_key: op_cert: op_cert_counter: