Block details.
Epoch: 99 Number of transactions in block: 1 slot_no: 2140030 epoch_slot_no: 1630 block_no: 2138544 slot_leader_id: 4 size: 2251 time: 2019-02-01 06:48:11 proto_major: 0 proto_minor: 2 hash: \xe49d7520a057ba7c9d4486d1aba800617c1df133d3adc04c82e9406ff17da399Block Operator
vrf_key: op_cert: op_cert_counter: