{
   "epochs": [ {
      "calculation_time": "13370363814140160",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375437521736080",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C109F3611D2EB4A37FCDA1CE15FF1EAEFFDFA0F02CEA9B2B899AE5FB4ADCDECB",
   "next_scheduled_calculation_time": "13376042321736359"
}
