{
   "epochs": [ {
      "calculation_time": "13366452293980835",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367116103466204",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9FBDB3B0CF2178134186F4982BDD43A037BB902D07F0AAC1FE0A24310504275B",
   "next_scheduled_calculation_time": "13367720903466386"
}
