{
   "epochs": [ {
      "calculation_time": "13366406659527767",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367071511810652",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "A9A525EFCC4301BDD4972AAA283DE0C98ACD3B66F2BB5F49F7533FF870ABF6E3",
   "next_scheduled_calculation_time": "13367676311811123"
}
