Block details.
Epoch: 197 Number of transactions in block: 2 slot_no: 4263780 epoch_slot_no: 8580 block_no: 4261628 slot_leader_id: 12 size: 1947 time: 2020-06-06 21:24:51 proto_major: 1 proto_minor: 0 hash: \xc5e411bf60e89bf48acf3db836fc343fdbfe81f296d1449f2f987ba04b3e17edBlock Operator
vrf_key: op_cert: op_cert_counter: