{
   "epochs": [ {
      "calculation_time": "13370110079526178",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375150004442251",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "DF0B4A58D73BA1D0E2BEB3A33CB65133A92D1C8E667126D7DB37A95E772EED76",
   "next_scheduled_calculation_time": "13375754804442533"
}
