Block details.
Epoch: 91 Number of transactions in block: 1 slot_no: 1971273 epoch_slot_no: 5673 block_no: 1969791 slot_leader_id: 12 size: 1172 time: 2018-12-24 05:15:51 proto_major: 0 proto_minor: 2 hash: \x88cfc0fd67fca6a57cc9b6cb813306a61c0f22949128849c69d7a111a1de3ae4Block Operator
vrf_key: op_cert: op_cert_counter: