Block details.
Epoch: 87 Number of transactions in block: 1 slot_no: 1899819 epoch_slot_no: 20619 block_no: 1898347 slot_leader_id: 12 size: 1427 time: 2018-12-07 16:17:51 proto_major: 0 proto_minor: 2 hash: \x230643451d275ec0eb11b8da57d3fa24c147eb7f5548d9f4a723acf38da4a369Block Operator
vrf_key: op_cert: op_cert_counter: