Block details.
Epoch: 192 Number of transactions in block: 1 slot_no: 4160374 epoch_slot_no: 13174 block_no: 4158268 slot_leader_id: 7 size: 991 time: 2020-05-13 22:56:11 proto_major: 1 proto_minor: 0 hash: \xb4f81bcd8a07c0b9b0022742719dac238ef3bf8efb403092890ffacb0439e5e3Block Operator
vrf_key: op_cert: op_cert_counter: