Block details.
Epoch: 197 Number of transactions in block: 2 slot_no: 4259480 epoch_slot_no: 4280 block_no: 4257328 slot_leader_id: 7 size: 2998 time: 2020-06-05 21:31:31 proto_major: 1 proto_minor: 0 hash: \xc244cd326687909be39c03e5e9029c8b47863cc1922949c95c0b26620e084a04Block Operator
vrf_key: op_cert: op_cert_counter: