{
   "epochs": [ {
      "calculation_time": "13366278731432460",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366942547607984",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "886A10454D356F5B41BDBE64F3764AE707C349F5217D9D3A30D04B37D436CCB3",
   "next_scheduled_calculation_time": "13367547347608702"
}
