{
   "epochs": [ {
      "calculation_time": "13366403064023064",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367068034132417",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "AFFC4F7D2EC7D98025A4833B6349D5083975E016B662F738B4AC368A6E2CC55E",
   "next_scheduled_calculation_time": "13367672834133254"
}
