Block details.
Epoch: 203 Number of transactions in block: 4 slot_no: 4400920 epoch_slot_no: 16120 block_no: 4398696 slot_leader_id: 3 size: 1914 time: 2020-07-08 15:18:11 proto_major: 1 proto_minor: 0 hash: \xbb67ab8dbfb760eb4cf728f08e9b92da575bd8adbb16a492fdb4c79bf69d414cBlock Operator
vrf_key: op_cert: op_cert_counter: