{
   "epochs": [ {
      "calculation_time": "13366525977950498",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367188312909643",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "66A989027E773E011252AC7CC703E17CDE3A5417EB41817EA2E76278D3846A20",
   "next_scheduled_calculation_time": "13367793112909857"
}
