Block details.
Epoch: 39 Number of transactions in block: 1 slot_no: 850777 epoch_slot_no: 8377 block_no: 850683 slot_leader_id: 6 size: 991 time: 2018-04-08 20:17:11 proto_major: 0 proto_minor: 1 hash: \x25146bef46218e799929ae4644adcf9b0ba81a1a917368bbfe5029cc55df79ecBlock Operator
vrf_key: op_cert: op_cert_counter: