Block details.
Epoch: 195 Number of transactions in block: 2 slot_no: 4220351 epoch_slot_no: 8351 block_no: 4218243 slot_leader_id: 8 size: 1319 time: 2020-05-27 20:08:31 proto_major: 1 proto_minor: 0 hash: \xad2a3c8be6dab91fdddc30eded608868a5707eea057f1a178e76c398acea9fbbBlock Operator
vrf_key: op_cert: op_cert_counter: