{
   "epochs": [ {
      "calculation_time": "13366412855929391",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367077632310034",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "569B62D48F4D95901F5C87733350E798B6EA9EDC4248DD803F3A95361F1F691E",
   "next_scheduled_calculation_time": "13367682432310197"
}
