{
   "epochs": [ {
      "calculation_time": "13366342046149250",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367007959064625",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "98D2787FBAA14CC3CEA938D1505FF9D32475A0196A80D1AEFB40FD77E43ECEBB",
   "next_scheduled_calculation_time": "13367612759064896"
}
