{
   "epochs": [ {
      "calculation_time": "13370514533454284",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13372052740367962",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "63EF5362CCBEC229ACF474306D0F22461ACE69128E34CC984BFF83F46031AA13",
   "next_scheduled_calculation_time": "13372657540368112"
}
