{
   "epochs": [ {
      "calculation_time": "13366678036534624",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367341469506454",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8548B530C74E7BAFDF57087CAD1B23BBCFDA284F798571655608B63D18D96C66",
   "next_scheduled_calculation_time": "13367946269507024"
}
