{
   "epochs": [ {
      "calculation_time": "13366371696569384",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367036694642318",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "CC686A918F7DA5098A93DC7114E1167F6EEEA62298AD403536751FE0185359D9",
   "next_scheduled_calculation_time": "13367641494642698"
}
