{
   "epochs": [ {
      "calculation_time": "13370576756000547",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377222181760278",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7B040953C7F8A88E73542513DE1CA68DC4872F5CAAAA50D2D81D239587E2206E",
   "next_scheduled_calculation_time": "13377826981760328"
}
