{
   "epochs": [ {
      "calculation_time": "13366482408247269",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367145125070728",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D943160E1A06E502E49AFB1BE8152C6470EB180E81B83442D093A505DABE40DD",
   "next_scheduled_calculation_time": "13367749925071062"
}
