{
   "epochs": [ {
      "calculation_time": "13366305462770975",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366969975516436",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E55CC56E31453A64AF2E8FA5870C5C9E6EA48B73C3617FDFD7A66A4C2EEA89F5",
   "next_scheduled_calculation_time": "13367574775517028"
}
