{
   "epochs": [ {
      "calculation_time": "13366430471397607",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367094214605382",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7CB0089B270234D5AC053FD3BDAD36B8452CCBC1A83401914860243DA20E24FA",
   "next_scheduled_calculation_time": "13367699014605597"
}
