Block details.
Epoch: 90 Number of transactions in block: 2 slot_no: 1961466 epoch_slot_no: 17466 block_no: 1959984 slot_leader_id: 3 size: 1844 time: 2018-12-21 22:46:51 proto_major: 0 proto_minor: 2 hash: \x639d53fcd3b3fa467f113e94c60c298c6dbbd29effa505b5544c7548c5e4462cBlock Operator
vrf_key: op_cert: op_cert_counter: