{
   "epochs": [ {
      "calculation_time": "13366632579183987",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367292801989874",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "E56EB8FC03D60F0A9ED402C161D897055CB1A94F4D6FD6ECCF184912B0A3485F",
   "next_scheduled_calculation_time": "13367897601990137"
}
