{
   "epochs": [ {
      "calculation_time": "13366748291161197",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367420170731594",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D5968BDA4DA6F66FEFB746AB542816396FD8424C4A1FEFFE744A6C30D4644440",
   "next_scheduled_calculation_time": "13368024970731710"
}
