{
   "epochs": [ {
      "calculation_time": "13366451204569164",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367115112840330",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "EEC83964D69563FD3D023182F1D46A82CF268393881603DD6CEE97E2369A0C11",
   "next_scheduled_calculation_time": "13367719912840594"
}
