{
   "epochs": [ {
      "calculation_time": "13370529802309113",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13376999434858340",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "4773E9A02EAA97893D3FEE5B63515FD2678C8609FC6E7D78ACDF877C83E209AA",
   "next_scheduled_calculation_time": "13377604234858396"
}
