{
   "epochs": [ {
      "calculation_time": "13366477407860527",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367140346276113",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BC639873383BDF203D3CA4847C6F9E86E63E758E879BF93887E7B1F0A5C1FA9F",
   "next_scheduled_calculation_time": "13367745146276496"
}
