Block details.
Epoch: 196 Number of transactions in block: 3 slot_no: 4254384 epoch_slot_no: 20784 block_no: 4252235 slot_leader_id: 7 size: 3220 time: 2020-06-04 17:12:51 proto_major: 1 proto_minor: 0 hash: \xf24e9b52d5f6ad3e3822c2cd7afec9fe7417e3190a6811abd52e663361d7f6fbBlock Operator
vrf_key: op_cert: op_cert_counter: