{
   "epochs": [ {
      "calculation_time": "13366349515391981",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367015120796546",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E23C6C22968ECEC4FC494338C973972D3B301391B0B7B8F2E5070F8F690B7E21",
   "next_scheduled_calculation_time": "13367619920796758"
}
