{
   "epochs": [ {
      "calculation_time": "13370514365262332",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13373309567360655",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D98D3CB040C2C243FAABE2139FC64EA7FFFD92676CB07328240B2451538CF374",
   "next_scheduled_calculation_time": "13373914367360857"
}
