{
   "epochs": [ {
      "calculation_time": "13366709729242741",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367374275894638",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7873D43B5FBF20EEC83656198F90DFE5E94CFE433CB254FE98E0FF0DA2822E92",
   "next_scheduled_calculation_time": "13367979075894959"
}
