Block details.
Epoch: 31 Number of transactions in block: 3 slot_no: 675334 epoch_slot_no: 5734 block_no: 675257 slot_leader_id: 8 size: 1703 time: 2018-02-27 05:36:11 proto_major: 0 proto_minor: 1 hash: \xec6ab458a912fe91a2cfe4f89a7515e0e4196ccb2a06f9bdc9de2751e87a5c0fBlock Operator
vrf_key: op_cert: op_cert_counter: