{
   "epochs": [ {
      "calculation_time": "13366231341426176",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366896440183380",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "3020D203E70274EA0975A2DA084824E440F2304F4B309469CFF5FAF53238BD4E",
   "next_scheduled_calculation_time": "13367501240184030"
}
