{
   "epochs": [ {
      "calculation_time": "13366444856265775",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367108619917722",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B5C5AA4A87FE9B2A670AF7432B95A8AE81EF556F9E763ADCDB9D26BED05F5B77",
   "next_scheduled_calculation_time": "13367713419917842"
}
