Block details.
Epoch: 203 Number of transactions in block: 2 slot_no: 4392579 epoch_slot_no: 7779 block_no: 4390355 slot_leader_id: 8 size: 3308 time: 2020-07-06 16:57:51 proto_major: 1 proto_minor: 0 hash: \xf9890affcabc22ca845e420a86981e0d10535fa62173baa195dc7f09ccd3820dBlock Operator
vrf_key: op_cert: op_cert_counter: