{
   "epochs": [ {
      "calculation_time": "13370161517369414",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375203588083864",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7B9DFD48F0005C54AE09D56037D5D3586AD9B19FB96DC2163580901ECE4580FA",
   "next_scheduled_calculation_time": "13375808388084136"
}
