{
   "epochs": [ {
      "calculation_time": "13366426834899536",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367090871032410",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BA336117168E8D53D1458C87C9FE6460B165CAE9D48EEFD21B4BF00C1544B22B",
   "next_scheduled_calculation_time": "13367695671032586"
}
