Block details.
Epoch: 197 Number of transactions in block: 2 slot_no: 4256925 epoch_slot_no: 1725 block_no: 4254776 slot_leader_id: 7 size: 3957 time: 2020-06-05 07:19:51 proto_major: 1 proto_minor: 0 hash: \xb27f4e16ae703417c68b7706f4af7759da2b133154755f87aea9e9e574051bafBlock Operator
vrf_key: op_cert: op_cert_counter: