{
   "epochs": [ {
      "calculation_time": "13366345471014581",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367011286216561",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3E0F5F880D9CAD8C57DE122EBB3EC907188FBD6E093A3A82756FFB2163D4C963",
   "next_scheduled_calculation_time": "13367616086217148"
}
