Block details.
Epoch: 197 Number of transactions in block: 1 slot_no: 4273405 epoch_slot_no: 18205 block_no: 4271253 slot_leader_id: 12 size: 1527 time: 2020-06-09 02:53:11 proto_major: 1 proto_minor: 0 hash: \xd2a1951e97603ab3554872bd4744bf0ed42750cf1918e7db9615cdd49292d7f2Block Operator
vrf_key: op_cert: op_cert_counter: