{
   "epochs": [ {
      "calculation_time": "13366592483623102",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367252177388736",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2DF30BE798C35D2DF0A331E61EB3D1BEFEBB76BF95F93C4728E5D9FAB50806A2",
   "next_scheduled_calculation_time": "13367856977389025"
}
