Block details.
Epoch: 197 Number of transactions in block: 9 slot_no: 4257377 epoch_slot_no: 2177 block_no: 4255228 slot_leader_id: 6 size: 8758 time: 2020-06-05 09:50:31 proto_major: 1 proto_minor: 0 hash: \xf1168ca27f3e242d742c9f18b6b910e1037ee49d0537f5b6678bccf8b12c7de8Block Operator
vrf_key: op_cert: op_cert_counter: