{
   "epochs": [ {
      "calculation_time": "13366799577073900",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367473397719447",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F3878402EA4EFED17823E88D6018E5A3E743BB5359B9786C708A81270FF2ABCE",
   "next_scheduled_calculation_time": "13368078197719687"
}
